Home / 7,485,428.08-10,329,952.52-4,132,702.40

Finding the Fourth Proportional to 7,485,428.08, 10,329,952.52 and 4,132,702.40

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Solution

The fourth proportional to 7,485,428.08, 10,329,952.52 and 4,132,702.40 is: 5,703,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,428.08 : 10,329,952.52 = 4,132,702.40 : x
  2. Step 2: Convert to fraction form
    7,485,428.08/10,329,952.52 = 4,132,702.40/x
  3. Step 3: Cross multiply
    7,485,428.08x = 10,329,952.52 × 4,132,702.40
  4. Step 4: Simplify right side
    7,485,428.08x = 42,690,619,550,626.54
  5. Step 5: Solve for x
    x = 42,690,619,550,626.54/7,485,428.08
  6. Step 6: Final answer
    x = 5,703,163.42

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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.