Home / 12,073,607.76-16,664,854.32-7,116,378.96

Finding the Fourth Proportional to 12,073,607.76, 16,664,854.32 and 7,116,378.96

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Solution

The fourth proportional to 12,073,607.76, 16,664,854.32 and 7,116,378.96 is: 9,822,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,607.76 : 16,664,854.32 = 7,116,378.96 : x
  2. Step 2: Convert to fraction form
    12,073,607.76/16,664,854.32 = 7,116,378.96/x
  3. Step 3: Cross multiply
    12,073,607.76x = 16,664,854.32 × 7,116,378.96
  4. Step 4: Simplify right side
    12,073,607.76x = 118,593,418,654,313.11
  5. Step 5: Solve for x
    x = 118,593,418,654,313.11/12,073,607.76
  6. Step 6: Final answer
    x = 9,822,533.66

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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.