Home / 13,479,332.40-20,218,998.60-9,652,957.20

Finding the Fourth Proportional to 13,479,332.40, 20,218,998.60 and 9,652,957.20

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Solution

The fourth proportional to 13,479,332.40, 20,218,998.60 and 9,652,957.20 is: 14,479,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,332.40 : 20,218,998.60 = 9,652,957.20 : x
  2. Step 2: Convert to fraction form
    13,479,332.40/20,218,998.60 = 9,652,957.20/x
  3. Step 3: Cross multiply
    13,479,332.40x = 20,218,998.60 × 9,652,957.20
  4. Step 4: Simplify right side
    13,479,332.40x = 195,173,128,112,659.91
  5. Step 5: Solve for x
    x = 195,173,128,112,659.91/13,479,332.40
  6. Step 6: Final answer
    x = 14,479,435.80

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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.