Home / 20,862,194.40-31,293,291.60-10,658,527.20

Finding the Fourth Proportional to 20,862,194.40, 31,293,291.60 and 10,658,527.20

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Solution

The fourth proportional to 20,862,194.40, 31,293,291.60 and 10,658,527.20 is: 15,987,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,194.40 : 31,293,291.60 = 10,658,527.20 : x
  2. Step 2: Convert to fraction form
    20,862,194.40/31,293,291.60 = 10,658,527.20/x
  3. Step 3: Cross multiply
    20,862,194.40x = 31,293,291.60 × 10,658,527.20
  4. Step 4: Simplify right side
    20,862,194.40x = 333,540,399,696,131.50
  5. Step 5: Solve for x
    x = 333,540,399,696,131.50/20,862,194.40
  6. Step 6: Final answer
    x = 15,987,790.80

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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.