Home / 7,485,428.34-10,329,952.92-4,132,702.65

Finding the Fourth Proportional to 7,485,428.34, 10,329,952.92 and 4,132,702.65

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Solution

The fourth proportional to 7,485,428.34, 10,329,952.92 and 4,132,702.65 is: 5,703,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,428.34 : 10,329,952.92 = 4,132,702.65 : x
  2. Step 2: Convert to fraction form
    7,485,428.34/10,329,952.92 = 4,132,702.65/x
  3. Step 3: Cross multiply
    7,485,428.34x = 10,329,952.92 × 4,132,702.65
  4. Step 4: Simplify right side
    7,485,428.34x = 42,690,623,806,859.23
  5. Step 5: Solve for x
    x = 42,690,623,806,859.23/7,485,428.34
  6. Step 6: Final answer
    x = 5,703,163.78

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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.