Home / 12,112,833.87-16,711,489.75-7,764,317.95

Finding the Fourth Proportional to 12,112,833.87, 16,711,489.75 and 7,764,317.95

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Solution

The fourth proportional to 12,112,833.87, 16,711,489.75 and 7,764,317.95 is: 10,712,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,833.87 : 16,711,489.75 = 7,764,317.95 : x
  2. Step 2: Convert to fraction form
    12,112,833.87/16,711,489.75 = 7,764,317.95/x
  3. Step 3: Cross multiply
    12,112,833.87x = 16,711,489.75 × 7,764,317.95
  4. Step 4: Simplify right side
    12,112,833.87x = 129,753,319,837,166.02
  5. Step 5: Solve for x
    x = 129,753,319,837,166.02/12,112,833.87
  6. Step 6: Final answer
    x = 10,712,053.12

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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.