Home / 11,817,318.80-16,321,352-7,943,113.92

Finding the Fourth Proportional to 11,817,318.80, 16,321,352 and 7,943,113.92

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Solution

The fourth proportional to 11,817,318.80, 16,321,352 and 7,943,113.92 is: 10,970,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817,318.80 : 16,321,352 = 7,943,113.92 : x
  2. Step 2: Convert to fraction form
    11,817,318.80/16,321,352 = 7,943,113.92/x
  3. Step 3: Cross multiply
    11,817,318.80x = 16,321,352 × 7,943,113.92
  4. Step 4: Simplify right side
    11,817,318.80x = 129,642,358,264,419.84
  5. Step 5: Solve for x
    x = 129,642,358,264,419.84/11,817,318.80
  6. Step 6: Final answer
    x = 10,970,539.13

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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.