Home / 20,681,330.55-31,021,995.83-17,492,684.55

Finding the Fourth Proportional to 20,681,330.55, 31,021,995.83 and 17,492,684.55

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Solution

The fourth proportional to 20,681,330.55, 31,021,995.83 and 17,492,684.55 is: 26,239,026.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,681,330.55 : 31,021,995.83 = 17,492,684.55 : x
  2. Step 2: Convert to fraction form
    20,681,330.55/31,021,995.83 = 17,492,684.55/x
  3. Step 3: Cross multiply
    20,681,330.55x = 31,021,995.83 × 17,492,684.55
  4. Step 4: Simplify right side
    20,681,330.55x = 542,657,987,078,142
  5. Step 5: Solve for x
    x = 542,657,987,078,142/20,681,330.55
  6. Step 6: Final answer
    x = 26,239,026.83

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Similar ratio
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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.