Home / 36,469,871.60-54,704,807.40-21,316,002.80

Finding the Fourth Proportional to 36,469,871.60, 54,704,807.40 and 21,316,002.80

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Solution

The fourth proportional to 36,469,871.60, 54,704,807.40 and 21,316,002.80 is: 31,974,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,469,871.60 : 54,704,807.40 = 21,316,002.80 : x
  2. Step 2: Convert to fraction form
    36,469,871.60/54,704,807.40 = 21,316,002.80/x
  3. Step 3: Cross multiply
    36,469,871.60x = 54,704,807.40 × 21,316,002.80
  4. Step 4: Simplify right side
    36,469,871.60x = 1,166,087,827,711,860.75
  5. Step 5: Solve for x
    x = 1,166,087,827,711,860.75/36,469,871.60
  6. Step 6: Final answer
    x = 31,974,004.20

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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.