Home / 18,821,385.40-28,260,071.70-14,566,358.20

Finding the Fourth Proportional to 18,821,385.40, 28,260,071.70 and 14,566,358.20

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Solution

The fourth proportional to 18,821,385.40, 28,260,071.70 and 14,566,358.20 is: 21,871,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821,385.40 : 28,260,071.70 = 14,566,358.20 : x
  2. Step 2: Convert to fraction form
    18,821,385.40/28,260,071.70 = 14,566,358.20/x
  3. Step 3: Cross multiply
    18,821,385.40x = 28,260,071.70 × 14,566,358.20
  4. Step 4: Simplify right side
    18,821,385.40x = 411,646,327,139,882.94
  5. Step 5: Solve for x
    x = 411,646,327,139,882.94/18,821,385.40
  6. Step 6: Final answer
    x = 21,871,202.27

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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.