Home / 13,931,560.80-20,901,128.40-5,840,287.20

Finding the Fourth Proportional to 13,931,560.80, 20,901,128.40 and 5,840,287.20

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Solution

The fourth proportional to 13,931,560.80, 20,901,128.40 and 5,840,287.20 is: 8,762,018.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931,560.80 : 20,901,128.40 = 5,840,287.20 : x
  2. Step 2: Convert to fraction form
    13,931,560.80/20,901,128.40 = 5,840,287.20/x
  3. Step 3: Cross multiply
    13,931,560.80x = 20,901,128.40 × 5,840,287.20
  4. Step 4: Simplify right side
    13,931,560.80x = 122,068,592,660,076.47
  5. Step 5: Solve for x
    x = 122,068,592,660,076.47/13,931,560.80
  6. Step 6: Final answer
    x = 8,762,018.44

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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.