Home / 18,477,807.75-25,499,539.98-10,218,425.76

Finding the Fourth Proportional to 18,477,807.75, 25,499,539.98 and 10,218,425.76

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Solution

The fourth proportional to 18,477,807.75, 25,499,539.98 and 10,218,425.76 is: 14,101,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,807.75 : 25,499,539.98 = 10,218,425.76 : x
  2. Step 2: Convert to fraction form
    18,477,807.75/25,499,539.98 = 10,218,425.76/x
  3. Step 3: Cross multiply
    18,477,807.75x = 25,499,539.98 × 10,218,425.76
  4. Step 4: Simplify right side
    18,477,807.75x = 260,565,156,199,781.88
  5. Step 5: Solve for x
    x = 260,565,156,199,781.88/18,477,807.75
  6. Step 6: Final answer
    x = 14,101,518.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.