Home / 20,348,943.80-30,523,415.70-17,609,070.20

Finding the Fourth Proportional to 20,348,943.80, 30,523,415.70 and 17,609,070.20

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Solution

The fourth proportional to 20,348,943.80, 30,523,415.70 and 17,609,070.20 is: 26,413,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,943.80 : 30,523,415.70 = 17,609,070.20 : x
  2. Step 2: Convert to fraction form
    20,348,943.80/30,523,415.70 = 17,609,070.20/x
  3. Step 3: Cross multiply
    20,348,943.80x = 30,523,415.70 × 17,609,070.20
  4. Step 4: Simplify right side
    20,348,943.80x = 537,488,969,805,082.12
  5. Step 5: Solve for x
    x = 537,488,969,805,082.12/20,348,943.80
  6. Step 6: Final answer
    x = 26,413,605.30

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1.5x scale

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.