Home / 20,772,015.40-31,158,023.10-17,233,071.40

Finding the Fourth Proportional to 20,772,015.40, 31,158,023.10 and 17,233,071.40

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Solution

The fourth proportional to 20,772,015.40, 31,158,023.10 and 17,233,071.40 is: 25,849,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,772,015.40 : 31,158,023.10 = 17,233,071.40 : x
  2. Step 2: Convert to fraction form
    20,772,015.40/31,158,023.10 = 17,233,071.40/x
  3. Step 3: Cross multiply
    20,772,015.40x = 31,158,023.10 × 17,233,071.40
  4. Step 4: Simplify right side
    20,772,015.40x = 536,948,436,765,149.31
  5. Step 5: Solve for x
    x = 536,948,436,765,149.31/20,772,015.40
  6. Step 6: Final answer
    x = 25,849,607.10

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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.