Home / 47,338,711.20-71,008,066.80-38,828,656.80

Finding the Fourth Proportional to 47,338,711.20, 71,008,066.80 and 38,828,656.80

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Solution

The fourth proportional to 47,338,711.20, 71,008,066.80 and 38,828,656.80 is: 58,242,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,338,711.20 : 71,008,066.80 = 38,828,656.80 : x
  2. Step 2: Convert to fraction form
    47,338,711.20/71,008,066.80 = 38,828,656.80/x
  3. Step 3: Cross multiply
    47,338,711.20x = 71,008,066.80 × 38,828,656.80
  4. Step 4: Simplify right side
    47,338,711.20x = 2,757,147,855,808,674
  5. Step 5: Solve for x
    x = 2,757,147,855,808,674/47,338,711.20
  6. Step 6: Final answer
    x = 58,242,985.20

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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.