Home / 12,472,655.60-18,708,983.40-9,953,231.60

Finding the Fourth Proportional to 12,472,655.60, 18,708,983.40 and 9,953,231.60

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Solution

The fourth proportional to 12,472,655.60, 18,708,983.40 and 9,953,231.60 is: 14,929,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,655.60 : 18,708,983.40 = 9,953,231.60 : x
  2. Step 2: Convert to fraction form
    12,472,655.60/18,708,983.40 = 9,953,231.60/x
  3. Step 3: Cross multiply
    12,472,655.60x = 18,708,983.40 × 9,953,231.60
  4. Step 4: Simplify right side
    12,472,655.60x = 186,214,844,780,755.41
  5. Step 5: Solve for x
    x = 186,214,844,780,755.41/12,472,655.60
  6. Step 6: Final answer
    x = 14,929,847.40

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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.