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Finding the Fourth Proportional to 52,992,002.60, 79,488,003.90 and 18,914,460.20

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Solution

The fourth proportional to 52,992,002.60, 79,488,003.90 and 18,914,460.20 is: 28,371,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,992,002.60 : 79,488,003.90 = 18,914,460.20 : x
  2. Step 2: Convert to fraction form
    52,992,002.60/79,488,003.90 = 18,914,460.20/x
  3. Step 3: Cross multiply
    52,992,002.60x = 79,488,003.90 × 18,914,460.20
  4. Step 4: Simplify right side
    52,992,002.60x = 1,503,472,686,143,994.75
  5. Step 5: Solve for x
    x = 1,503,472,686,143,994.75/52,992,002.60
  6. Step 6: Final answer
    x = 28,371,690.30

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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.