Home / 9,329,429.46-12,874,092.14-5,142,979.28

Finding the Fourth Proportional to 9,329,429.46, 12,874,092.14 and 5,142,979.28

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Solution

The fourth proportional to 9,329,429.46, 12,874,092.14 and 5,142,979.28 is: 7,097,024.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329,429.46 : 12,874,092.14 = 5,142,979.28 : x
  2. Step 2: Convert to fraction form
    9,329,429.46/12,874,092.14 = 5,142,979.28/x
  3. Step 3: Cross multiply
    9,329,429.46x = 12,874,092.14 × 5,142,979.28
  4. Step 4: Simplify right side
    9,329,429.46x = 66,211,189,124,830.87
  5. Step 5: Solve for x
    x = 66,211,189,124,830.87/9,329,429.46
  6. Step 6: Final answer
    x = 7,097,024.47

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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.