Home / 20,772,014.40-31,158,021.60-17,233,070.40

Finding the Fourth Proportional to 20,772,014.40, 31,158,021.60 and 17,233,070.40

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Solution

The fourth proportional to 20,772,014.40, 31,158,021.60 and 17,233,070.40 is: 25,849,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,772,014.40 : 31,158,021.60 = 17,233,070.40 : x
  2. Step 2: Convert to fraction form
    20,772,014.40/31,158,021.60 = 17,233,070.40/x
  3. Step 3: Cross multiply
    20,772,014.40x = 31,158,021.60 × 17,233,070.40
  4. Step 4: Simplify right side
    20,772,014.40x = 536,948,379,757,520.62
  5. Step 5: Solve for x
    x = 536,948,379,757,520.62/20,772,014.40
  6. Step 6: Final answer
    x = 25,849,605.60

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Similar ratio
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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.