Home / 12,641,355.06-17,442,036.12-7,679,697.18

Finding the Fourth Proportional to 12,641,355.06, 17,442,036.12 and 7,679,697.18

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Solution

The fourth proportional to 12,641,355.06, 17,442,036.12 and 7,679,697.18 is: 10,596,139.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,641,355.06 : 17,442,036.12 = 7,679,697.18 : x
  2. Step 2: Convert to fraction form
    12,641,355.06/17,442,036.12 = 7,679,697.18/x
  3. Step 3: Cross multiply
    12,641,355.06x = 17,442,036.12 × 7,679,697.18
  4. Step 4: Simplify right side
    12,641,355.06x = 133,949,555,604,222.14
  5. Step 5: Solve for x
    x = 133,949,555,604,222.14/12,641,355.06
  6. Step 6: Final answer
    x = 10,596,139.02

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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.