Home / 10,307,280.70-15,460,921.05-10,236,421.90

Finding the Fourth Proportional to 10,307,280.70, 15,460,921.05 and 10,236,421.90

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Solution

The fourth proportional to 10,307,280.70, 15,460,921.05 and 10,236,421.90 is: 15,354,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307,280.70 : 15,460,921.05 = 10,236,421.90 : x
  2. Step 2: Convert to fraction form
    10,307,280.70/15,460,921.05 = 10,236,421.90/x
  3. Step 3: Cross multiply
    10,307,280.70x = 15,460,921.05 × 10,236,421.90
  4. Step 4: Simplify right side
    10,307,280.70x = 158,264,510,830,391
  5. Step 5: Solve for x
    x = 158,264,510,830,391/10,307,280.70
  6. Step 6: Final answer
    x = 15,354,632.85

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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.