Home / 20,343,215.88-30,515,076-5,966,580.45

Finding the Fourth Proportional to 20,343,215.88, 30,515,076 and 5,966,580.45

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Solution

The fourth proportional to 20,343,215.88, 30,515,076 and 5,966,580.45 is: 8,949,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343,215.88 : 30,515,076 = 5,966,580.45 : x
  2. Step 2: Convert to fraction form
    20,343,215.88/30,515,076 = 5,966,580.45/x
  3. Step 3: Cross multiply
    20,343,215.88x = 30,515,076 × 5,966,580.45
  4. Step 4: Simplify right side
    20,343,215.88x = 182,070,656,006,295.75
  5. Step 5: Solve for x
    x = 182,070,656,006,295.75/20,343,215.88
  6. Step 6: Final answer
    x = 8,949,944.64

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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.