Home / 52,890,003.60-79,335,005.40-18,812,461.20

Finding the Fourth Proportional to 52,890,003.60, 79,335,005.40 and 18,812,461.20

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Solution

The fourth proportional to 52,890,003.60, 79,335,005.40 and 18,812,461.20 is: 28,218,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,890,003.60 : 79,335,005.40 = 18,812,461.20 : x
  2. Step 2: Convert to fraction form
    52,890,003.60/79,335,005.40 = 18,812,461.20/x
  3. Step 3: Cross multiply
    52,890,003.60x = 79,335,005.40 × 18,812,461.20
  4. Step 4: Simplify right side
    52,890,003.60x = 1,492,486,710,889,290.50
  5. Step 5: Solve for x
    x = 1,492,486,710,889,290.50/52,890,003.60
  6. Step 6: Final answer
    x = 28,218,691.80

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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.