Home / 21,969,167.40-32,953,751.10-21,073,372.20

Finding the Fourth Proportional to 21,969,167.40, 32,953,751.10 and 21,073,372.20

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Solution

The fourth proportional to 21,969,167.40, 32,953,751.10 and 21,073,372.20 is: 31,610,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969,167.40 : 32,953,751.10 = 21,073,372.20 : x
  2. Step 2: Convert to fraction form
    21,969,167.40/32,953,751.10 = 21,073,372.20/x
  3. Step 3: Cross multiply
    21,969,167.40x = 32,953,751.10 × 21,073,372.20
  4. Step 4: Simplify right side
    21,969,167.40x = 694,446,662,316,459.38
  5. Step 5: Solve for x
    x = 694,446,662,316,459.38/21,969,167.40
  6. Step 6: Final answer
    x = 31,610,058.30

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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.