Home / 20,657,115.10-30,985,672.65-17,066,935.90

Finding the Fourth Proportional to 20,657,115.10, 30,985,672.65 and 17,066,935.90

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Solution

The fourth proportional to 20,657,115.10, 30,985,672.65 and 17,066,935.90 is: 25,600,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,115.10 : 30,985,672.65 = 17,066,935.90 : x
  2. Step 2: Convert to fraction form
    20,657,115.10/30,985,672.65 = 17,066,935.90/x
  3. Step 3: Cross multiply
    20,657,115.10x = 30,985,672.65 × 17,066,935.90
  4. Step 4: Simplify right side
    20,657,115.10x = 528,830,488,935,933.06
  5. Step 5: Solve for x
    x = 528,830,488,935,933.06/20,657,115.10
  6. Step 6: Final answer
    x = 25,600,403.85

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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.