Home / 20,258,420.76-30,378,652.29-14,554,731.24

Finding the Fourth Proportional to 20,258,420.76, 30,378,652.29 and 14,554,731.24

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Solution

The fourth proportional to 20,258,420.76, 30,378,652.29 and 14,554,731.24 is: 21,825,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258,420.76 : 30,378,652.29 = 14,554,731.24 : x
  2. Step 2: Convert to fraction form
    20,258,420.76/30,378,652.29 = 14,554,731.24/x
  3. Step 3: Cross multiply
    20,258,420.76x = 30,378,652.29 × 14,554,731.24
  4. Step 4: Simplify right side
    20,258,420.76x = 442,153,119,514,360.56
  5. Step 5: Solve for x
    x = 442,153,119,514,360.56/20,258,420.76
  6. Step 6: Final answer
    x = 21,825,645.97

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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.