Home / 14,195,287.20-21,292,930.80-5,676,938.40

Finding the Fourth Proportional to 14,195,287.20, 21,292,930.80 and 5,676,938.40

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Solution

The fourth proportional to 14,195,287.20, 21,292,930.80 and 5,676,938.40 is: 8,515,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195,287.20 : 21,292,930.80 = 5,676,938.40 : x
  2. Step 2: Convert to fraction form
    14,195,287.20/21,292,930.80 = 5,676,938.40/x
  3. Step 3: Cross multiply
    14,195,287.20x = 21,292,930.80 × 5,676,938.40
  4. Step 4: Simplify right side
    14,195,287.20x = 120,878,656,507,062.73
  5. Step 5: Solve for x
    x = 120,878,656,507,062.73/14,195,287.20
  6. Step 6: Final answer
    x = 8,515,407.60

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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.