Home / 10,305,605.40-15,458,408.10-10,069,409.40

Finding the Fourth Proportional to 10,305,605.40, 15,458,408.10 and 10,069,409.40

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Solution

The fourth proportional to 10,305,605.40, 15,458,408.10 and 10,069,409.40 is: 15,104,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305,605.40 : 15,458,408.10 = 10,069,409.40 : x
  2. Step 2: Convert to fraction form
    10,305,605.40/15,458,408.10 = 10,069,409.40/x
  3. Step 3: Cross multiply
    10,305,605.40x = 15,458,408.10 × 10,069,409.40
  4. Step 4: Simplify right side
    10,305,605.40x = 155,657,039,831,176.16
  5. Step 5: Solve for x
    x = 155,657,039,831,176.16/10,305,605.40
  6. Step 6: Final answer
    x = 15,104,114.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.