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Finding the Fourth Proportional to 58,937,991.90, 88,406,987.85 and 18,548,475.90

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Solution

The fourth proportional to 58,937,991.90, 88,406,987.85 and 18,548,475.90 is: 27,822,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,937,991.90 : 88,406,987.85 = 18,548,475.90 : x
  2. Step 2: Convert to fraction form
    58,937,991.90/88,406,987.85 = 18,548,475.90/x
  3. Step 3: Cross multiply
    58,937,991.90x = 88,406,987.85 × 18,548,475.90
  4. Step 4: Simplify right side
    58,937,991.90x = 1,639,814,883,527,317.50
  5. Step 5: Solve for x
    x = 1,639,814,883,527,317.50/58,937,991.90
  6. Step 6: Final answer
    x = 27,822,713.85

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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.