Home / 8,377,465.86-11,561,839.01-5,071,581.58

Finding the Fourth Proportional to 8,377,465.86, 11,561,839.01 and 5,071,581.58

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Solution

The fourth proportional to 8,377,465.86, 11,561,839.01 and 5,071,581.58 is: 6,999,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377,465.86 : 11,561,839.01 = 5,071,581.58 : x
  2. Step 2: Convert to fraction form
    8,377,465.86/11,561,839.01 = 5,071,581.58/x
  3. Step 3: Cross multiply
    8,377,465.86x = 11,561,839.01 × 5,071,581.58
  4. Step 4: Simplify right side
    8,377,465.86x = 58,636,809,754,041.44
  5. Step 5: Solve for x
    x = 58,636,809,754,041.44/8,377,465.86
  6. Step 6: Final answer
    x = 6,999,349.29

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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.