Home / 8,708,603.20-13,061,349.60-5,508,001.60

Finding the Fourth Proportional to 8,708,603.20, 13,061,349.60 and 5,508,001.60

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Solution

The fourth proportional to 8,708,603.20, 13,061,349.60 and 5,508,001.60 is: 8,261,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708,603.20 : 13,061,349.60 = 5,508,001.60 : x
  2. Step 2: Convert to fraction form
    8,708,603.20/13,061,349.60 = 5,508,001.60/x
  3. Step 3: Cross multiply
    8,708,603.20x = 13,061,349.60 × 5,508,001.60
  4. Step 4: Simplify right side
    8,708,603.20x = 71,941,934,494,959.36
  5. Step 5: Solve for x
    x = 71,941,934,494,959.36/8,708,603.20
  6. Step 6: Final answer
    x = 8,261,018.77

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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.