Home / 20,726,755.68-31,117,074.72-15,937,808.04

Finding the Fourth Proportional to 20,726,755.68, 31,117,074.72 and 15,937,808.04

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Solution

The fourth proportional to 20,726,755.68, 31,117,074.72 and 15,937,808.04 is: 23,927,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,755.68 : 31,117,074.72 = 15,937,808.04 : x
  2. Step 2: Convert to fraction form
    20,726,755.68/31,117,074.72 = 15,937,808.04/x
  3. Step 3: Cross multiply
    20,726,755.68x = 31,117,074.72 × 15,937,808.04
  4. Step 4: Simplify right side
    20,726,755.68x = 495,937,963,653,696.69
  5. Step 5: Solve for x
    x = 495,937,963,653,696.69/20,726,755.68
  6. Step 6: Final answer
    x = 23,927,428.46

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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.