Home / 20,368,839.59-28,108,438.05-11,201,482.34

Finding the Fourth Proportional to 20,368,839.59, 28,108,438.05 and 11,201,482.34

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Solution

The fourth proportional to 20,368,839.59, 28,108,438.05 and 11,201,482.34 is: 15,457,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368,839.59 : 28,108,438.05 = 11,201,482.34 : x
  2. Step 2: Convert to fraction form
    20,368,839.59/28,108,438.05 = 11,201,482.34/x
  3. Step 3: Cross multiply
    20,368,839.59x = 28,108,438.05 × 11,201,482.34
  4. Step 4: Simplify right side
    20,368,839.59x = 314,856,172,428,929.06
  5. Step 5: Solve for x
    x = 314,856,172,428,929.06/20,368,839.59
  6. Step 6: Final answer
    x = 15,457,737.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.