Home / 25,920,937.20-38,881,405.80-16,378,618.80

Finding the Fourth Proportional to 25,920,937.20, 38,881,405.80 and 16,378,618.80

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Solution

The fourth proportional to 25,920,937.20, 38,881,405.80 and 16,378,618.80 is: 24,567,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920,937.20 : 38,881,405.80 = 16,378,618.80 : x
  2. Step 2: Convert to fraction form
    25,920,937.20/38,881,405.80 = 16,378,618.80/x
  3. Step 3: Cross multiply
    25,920,937.20x = 38,881,405.80 × 16,378,618.80
  4. Step 4: Simplify right side
    25,920,937.20x = 636,823,724,006,309
  5. Step 5: Solve for x
    x = 636,823,724,006,309/25,920,937.20
  6. Step 6: Final answer
    x = 24,567,928.20

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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.