Home / 8,085,655.60-12,100,489.80-7,413,809.20

Finding the Fourth Proportional to 8,085,655.60, 12,100,489.80 and 7,413,809.20

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Solution

The fourth proportional to 8,085,655.60, 12,100,489.80 and 7,413,809.20 is: 11,095,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,655.60 : 12,100,489.80 = 7,413,809.20 : x
  2. Step 2: Convert to fraction form
    8,085,655.60/12,100,489.80 = 7,413,809.20/x
  3. Step 3: Cross multiply
    8,085,655.60x = 12,100,489.80 × 7,413,809.20
  4. Step 4: Simplify right side
    8,085,655.60x = 89,710,722,603,746.17
  5. Step 5: Solve for x
    x = 89,710,722,603,746.17/8,085,655.60
  6. Step 6: Final answer
    x = 11,095,046.22

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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.