Home / 12,112,845.39-16,711,505.60-7,764,329.48

Finding the Fourth Proportional to 12,112,845.39, 16,711,505.60 and 7,764,329.48

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Solution

The fourth proportional to 12,112,845.39, 16,711,505.60 and 7,764,329.48 is: 10,712,068.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,845.39 : 16,711,505.60 = 7,764,329.48 : x
  2. Step 2: Convert to fraction form
    12,112,845.39/16,711,505.60 = 7,764,329.48/x
  3. Step 3: Cross multiply
    12,112,845.39x = 16,711,505.60 × 7,764,329.48
  4. Step 4: Simplify right side
    12,112,845.39x = 129,753,635,462,885.91
  5. Step 5: Solve for x
    x = 129,753,635,462,885.91/12,112,845.39
  6. Step 6: Final answer
    x = 10,712,068.99

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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.