Home / 9,128,821.38-12,598,167.16-5,054,440.38

Finding the Fourth Proportional to 9,128,821.38, 12,598,167.16 and 5,054,440.38

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Solution

The fourth proportional to 9,128,821.38, 12,598,167.16 and 5,054,440.38 is: 6,975,345.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,821.38 : 12,598,167.16 = 5,054,440.38 : x
  2. Step 2: Convert to fraction form
    9,128,821.38/12,598,167.16 = 5,054,440.38/x
  3. Step 3: Cross multiply
    9,128,821.38x = 12,598,167.16 × 5,054,440.38
  4. Step 4: Simplify right side
    9,128,821.38x = 63,676,684,807,493.92
  5. Step 5: Solve for x
    x = 63,676,684,807,493.92/9,128,821.38
  6. Step 6: Final answer
    x = 6,975,345.68

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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.