Home / 8,681,995.20-13,019,306.40-4,195,646.40

Finding the Fourth Proportional to 8,681,995.20, 13,019,306.40 and 4,195,646.40

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Solution

The fourth proportional to 8,681,995.20, 13,019,306.40 and 4,195,646.40 is: 6,291,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,995.20 : 13,019,306.40 = 4,195,646.40 : x
  2. Step 2: Convert to fraction form
    8,681,995.20/13,019,306.40 = 4,195,646.40/x
  3. Step 3: Cross multiply
    8,681,995.20x = 13,019,306.40 × 4,195,646.40
  4. Step 4: Simplify right side
    8,681,995.20x = 54,624,406,027,656.97
  5. Step 5: Solve for x
    x = 54,624,406,027,656.97/8,681,995.20
  6. Step 6: Final answer
    x = 6,291,688.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.