Home / 12,345,600.96-18,518,403.50-5,153,211.33

Finding the Fourth Proportional to 12,345,600.96, 18,518,403.50 and 5,153,211.33

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Solution

The fourth proportional to 12,345,600.96, 18,518,403.50 and 5,153,211.33 is: 7,729,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345,600.96 : 18,518,403.50 = 5,153,211.33 : x
  2. Step 2: Convert to fraction form
    12,345,600.96/18,518,403.50 = 5,153,211.33/x
  3. Step 3: Cross multiply
    12,345,600.96x = 18,518,403.50 × 5,153,211.33
  4. Step 4: Simplify right side
    12,345,600.96x = 95,429,246,729,711.66
  5. Step 5: Solve for x
    x = 95,429,246,729,711.66/12,345,600.96
  6. Step 6: Final answer
    x = 7,729,817.85

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1.5x scale

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.