Home / 25,313,505.32-34,932,638.51-13,711,068.78

Finding the Fourth Proportional to 25,313,505.32, 34,932,638.51 and 13,711,068.78

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Solution

The fourth proportional to 25,313,505.32, 34,932,638.51 and 13,711,068.78 is: 18,921,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,313,505.32 : 34,932,638.51 = 13,711,068.78 : x
  2. Step 2: Convert to fraction form
    25,313,505.32/34,932,638.51 = 13,711,068.78/x
  3. Step 3: Cross multiply
    25,313,505.32x = 34,932,638.51 × 13,711,068.78
  4. Step 4: Simplify right side
    25,313,505.32x = 478,963,809,208,931.38
  5. Step 5: Solve for x
    x = 478,963,809,208,931.38/25,313,505.32
  6. Step 6: Final answer
    x = 18,921,275.55

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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.