Home / 12,112,834.87-16,711,491.13-7,764,318.95

Finding the Fourth Proportional to 12,112,834.87, 16,711,491.13 and 7,764,318.95

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Solution

The fourth proportional to 12,112,834.87, 16,711,491.13 and 7,764,318.95 is: 10,712,054.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,834.87 : 16,711,491.13 = 7,764,318.95 : x
  2. Step 2: Convert to fraction form
    12,112,834.87/16,711,491.13 = 7,764,318.95/x
  3. Step 3: Cross multiply
    12,112,834.87x = 16,711,491.13 × 7,764,318.95
  4. Step 4: Simplify right side
    12,112,834.87x = 129,753,347,263,415.92
  5. Step 5: Solve for x
    x = 129,753,347,263,415.92/12,112,834.87
  6. Step 6: Final answer
    x = 10,712,054.50

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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.