Home / 12,960,387.32-17,885,877.52-7,453,765.92

Finding the Fourth Proportional to 12,960,387.32, 17,885,877.52 and 7,453,765.92

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Solution

The fourth proportional to 12,960,387.32, 17,885,877.52 and 7,453,765.92 is: 10,286,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,387.32 : 17,885,877.52 = 7,453,765.92 : x
  2. Step 2: Convert to fraction form
    12,960,387.32/17,885,877.52 = 7,453,765.92/x
  3. Step 3: Cross multiply
    12,960,387.32x = 17,885,877.52 × 7,453,765.92
  4. Step 4: Simplify right side
    12,960,387.32x = 133,317,144,307,870.11
  5. Step 5: Solve for x
    x = 133,317,144,307,870.11/12,960,387.32
  6. Step 6: Final answer
    x = 10,286,509.27

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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.