Home / 28,060,521.60-42,082,909.20-8,897,152.80

Finding the Fourth Proportional to 28,060,521.60, 42,082,909.20 and 8,897,152.80

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Solution

The fourth proportional to 28,060,521.60, 42,082,909.20 and 8,897,152.80 is: 13,343,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060,521.60 : 42,082,909.20 = 8,897,152.80 : x
  2. Step 2: Convert to fraction form
    28,060,521.60/42,082,909.20 = 8,897,152.80/x
  3. Step 3: Cross multiply
    28,060,521.60x = 42,082,909.20 × 8,897,152.80
  4. Step 4: Simplify right side
    28,060,521.60x = 374,418,073,420,925.81
  5. Step 5: Solve for x
    x = 374,418,073,420,925.81/28,060,521.60
  6. Step 6: Final answer
    x = 13,343,232.84

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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.