Home / 29,112,013.60-43,668,020.40-20,042,087.20

Finding the Fourth Proportional to 29,112,013.60, 43,668,020.40 and 20,042,087.20

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Solution

The fourth proportional to 29,112,013.60, 43,668,020.40 and 20,042,087.20 is: 30,063,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112,013.60 : 43,668,020.40 = 20,042,087.20 : x
  2. Step 2: Convert to fraction form
    29,112,013.60/43,668,020.40 = 20,042,087.20/x
  3. Step 3: Cross multiply
    29,112,013.60x = 43,668,020.40 × 20,042,087.20
  4. Step 4: Simplify right side
    29,112,013.60x = 875,198,272,708,178.88
  5. Step 5: Solve for x
    x = 875,198,272,708,178.88/29,112,013.60
  6. Step 6: Final answer
    x = 30,063,130.80

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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.