Home / 10,305,905.40-15,458,858.10-3,574,319.40

Finding the Fourth Proportional to 10,305,905.40, 15,458,858.10 and 3,574,319.40

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Solution

The fourth proportional to 10,305,905.40, 15,458,858.10 and 3,574,319.40 is: 5,361,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305,905.40 : 15,458,858.10 = 3,574,319.40 : x
  2. Step 2: Convert to fraction form
    10,305,905.40/15,458,858.10 = 3,574,319.40/x
  3. Step 3: Cross multiply
    10,305,905.40x = 15,458,858.10 × 3,574,319.40
  4. Step 4: Simplify right side
    10,305,905.40x = 55,254,896,408,677.14
  5. Step 5: Solve for x
    x = 55,254,896,408,677.14/10,305,905.40
  6. Step 6: Final answer
    x = 5,361,479.10

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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.