Home / 14,520,935.20-21,781,402.80-10,489,856.80

Finding the Fourth Proportional to 14,520,935.20, 21,781,402.80 and 10,489,856.80

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Solution

The fourth proportional to 14,520,935.20, 21,781,402.80 and 10,489,856.80 is: 15,734,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,935.20 : 21,781,402.80 = 10,489,856.80 : x
  2. Step 2: Convert to fraction form
    14,520,935.20/21,781,402.80 = 10,489,856.80/x
  3. Step 3: Cross multiply
    14,520,935.20x = 21,781,402.80 × 10,489,856.80
  4. Step 4: Simplify right side
    14,520,935.20x = 228,483,796,275,119.06
  5. Step 5: Solve for x
    x = 228,483,796,275,119.06/14,520,935.20
  6. Step 6: Final answer
    x = 15,734,785.20

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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.