Home / 12,771,331.20-19,159,329.60-5,199,062.40

Finding the Fourth Proportional to 12,771,331.20, 19,159,329.60 and 5,199,062.40

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Solution

The fourth proportional to 12,771,331.20, 19,159,329.60 and 5,199,062.40 is: 7,799,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,331.20 : 19,159,329.60 = 5,199,062.40 : x
  2. Step 2: Convert to fraction form
    12,771,331.20/19,159,329.60 = 5,199,062.40/x
  3. Step 3: Cross multiply
    12,771,331.20x = 19,159,329.60 × 5,199,062.40
  4. Step 4: Simplify right side
    12,771,331.20x = 99,610,550,132,567.06
  5. Step 5: Solve for x
    x = 99,610,550,132,567.06/12,771,331.20
  6. Step 6: Final answer
    x = 7,799,543.26

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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.