Home / 12,290,687.76-16,958,617-7,062,686.16

Finding the Fourth Proportional to 12,290,687.76, 16,958,617 and 7,062,686.16

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Solution

The fourth proportional to 12,290,687.76, 16,958,617 and 7,062,686.16 is: 9,745,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,687.76 : 16,958,617 = 7,062,686.16 : x
  2. Step 2: Convert to fraction form
    12,290,687.76/16,958,617 = 7,062,686.16/x
  3. Step 3: Cross multiply
    12,290,687.76x = 16,958,617 × 7,062,686.16
  4. Step 4: Simplify right side
    12,290,687.76x = 119,773,389,578,640.72
  5. Step 5: Solve for x
    x = 119,773,389,578,640.72/12,290,687.76
  6. Step 6: Final answer
    x = 9,745,051.86

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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.