Home / 12,974,724.10-17,904,804.06-7,173,356.68

Finding the Fourth Proportional to 12,974,724.10, 17,904,804.06 and 7,173,356.68

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Solution

The fourth proportional to 12,974,724.10, 17,904,804.06 and 7,173,356.68 is: 9,899,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,724.10 : 17,904,804.06 = 7,173,356.68 : x
  2. Step 2: Convert to fraction form
    12,974,724.10/17,904,804.06 = 7,173,356.68/x
  3. Step 3: Cross multiply
    12,974,724.10x = 17,904,804.06 × 7,173,356.68
  4. Step 4: Simplify right side
    12,974,724.10x = 128,437,545,807,892.11
  5. Step 5: Solve for x
    x = 128,437,545,807,892.11/12,974,724.10
  6. Step 6: Final answer
    x = 9,899,057.95

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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.