Home / 20,681,336.30-31,022,004.45-17,492,690.30

Finding the Fourth Proportional to 20,681,336.30, 31,022,004.45 and 17,492,690.30

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Solution

The fourth proportional to 20,681,336.30, 31,022,004.45 and 17,492,690.30 is: 26,239,035.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,681,336.30 : 31,022,004.45 = 17,492,690.30 : x
  2. Step 2: Convert to fraction form
    20,681,336.30/31,022,004.45 = 17,492,690.30/x
  3. Step 3: Cross multiply
    20,681,336.30x = 31,022,004.45 × 17,492,690.30
  4. Step 4: Simplify right side
    20,681,336.30x = 542,658,316,329,071.88
  5. Step 5: Solve for x
    x = 542,658,316,329,071.88/20,681,336.30
  6. Step 6: Final answer
    x = 26,239,035.45

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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.