Home / 21,549,742.20-32,361,938.10-11,472,046.20

Finding the Fourth Proportional to 21,549,742.20, 32,361,938.10 and 11,472,046.20

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Solution

The fourth proportional to 21,549,742.20, 32,361,938.10 and 11,472,046.20 is: 17,227,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,549,742.20 : 32,361,938.10 = 11,472,046.20 : x
  2. Step 2: Convert to fraction form
    21,549,742.20/32,361,938.10 = 11,472,046.20/x
  3. Step 3: Cross multiply
    21,549,742.20x = 32,361,938.10 × 11,472,046.20
  4. Step 4: Simplify right side
    21,549,742.20x = 371,257,649,004,740.19
  5. Step 5: Solve for x
    x = 371,257,649,004,740.19/21,549,742.20
  6. Step 6: Final answer
    x = 17,227,939.23

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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.