Home / 20,772,015.90-31,158,023.85-17,233,071.90

Finding the Fourth Proportional to 20,772,015.90, 31,158,023.85 and 17,233,071.90

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Solution

The fourth proportional to 20,772,015.90, 31,158,023.85 and 17,233,071.90 is: 25,849,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,772,015.90 : 31,158,023.85 = 17,233,071.90 : x
  2. Step 2: Convert to fraction form
    20,772,015.90/31,158,023.85 = 17,233,071.90/x
  3. Step 3: Cross multiply
    20,772,015.90x = 31,158,023.85 × 17,233,071.90
  4. Step 4: Simplify right side
    20,772,015.90x = 536,948,465,268,964.81
  5. Step 5: Solve for x
    x = 536,948,465,268,964.81/20,772,015.90
  6. Step 6: Final answer
    x = 25,849,607.85

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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.