Home / 15,390,143.40-23,073,551.10-7,822,540.20

Finding the Fourth Proportional to 15,390,143.40, 23,073,551.10 and 7,822,540.20

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Solution

The fourth proportional to 15,390,143.40, 23,073,551.10 and 7,822,540.20 is: 11,727,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390,143.40 : 23,073,551.10 = 7,822,540.20 : x
  2. Step 2: Convert to fraction form
    15,390,143.40/23,073,551.10 = 7,822,540.20/x
  3. Step 3: Cross multiply
    15,390,143.40x = 23,073,551.10 × 7,822,540.20
  4. Step 4: Simplify right side
    15,390,143.40x = 180,493,781,036,504.25
  5. Step 5: Solve for x
    x = 180,493,781,036,504.25/15,390,143.40
  6. Step 6: Final answer
    x = 11,727,881.69

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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.