Home / 20,658,839.10-30,988,258.65-11,092,901.10

Finding the Fourth Proportional to 20,658,839.10, 30,988,258.65 and 11,092,901.10

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Solution

The fourth proportional to 20,658,839.10, 30,988,258.65 and 11,092,901.10 is: 16,639,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,658,839.10 : 30,988,258.65 = 11,092,901.10 : x
  2. Step 2: Convert to fraction form
    20,658,839.10/30,988,258.65 = 11,092,901.10/x
  3. Step 3: Cross multiply
    20,658,839.10x = 30,988,258.65 × 11,092,901.10
  4. Step 4: Simplify right side
    20,658,839.10x = 343,749,688,465,669.50
  5. Step 5: Solve for x
    x = 343,749,688,465,669.50/20,658,839.10
  6. Step 6: Final answer
    x = 16,639,351.65

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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.