Home / 13,446,509.20-20,167,139.40-4,471,061.20

Finding the Fourth Proportional to 13,446,509.20, 20,167,139.40 and 4,471,061.20

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Solution

The fourth proportional to 13,446,509.20, 20,167,139.40 and 4,471,061.20 is: 6,705,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446,509.20 : 20,167,139.40 = 4,471,061.20 : x
  2. Step 2: Convert to fraction form
    13,446,509.20/20,167,139.40 = 4,471,061.20/x
  3. Step 3: Cross multiply
    13,446,509.20x = 20,167,139.40 × 4,471,061.20
  4. Step 4: Simplify right side
    13,446,509.20x = 90,168,514,486,331.28
  5. Step 5: Solve for x
    x = 90,168,514,486,331.28/13,446,509.20
  6. Step 6: Final answer
    x = 6,705,719.17

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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.