Home / 12,444,455.20-18,663,572.40-4,766,432.80

Finding the Fourth Proportional to 12,444,455.20, 18,663,572.40 and 4,766,432.80

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Solution

The fourth proportional to 12,444,455.20, 18,663,572.40 and 4,766,432.80 is: 7,148,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444,455.20 : 18,663,572.40 = 4,766,432.80 : x
  2. Step 2: Convert to fraction form
    12,444,455.20/18,663,572.40 = 4,766,432.80/x
  3. Step 3: Cross multiply
    12,444,455.20x = 18,663,572.40 × 4,766,432.80
  4. Step 4: Simplify right side
    12,444,455.20x = 88,958,663,652,534.70
  5. Step 5: Solve for x
    x = 88,958,663,652,534.70/12,444,455.20
  6. Step 6: Final answer
    x = 7,148,457.87

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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.