Home / 8,806,009.20-13,209,013.80-7,766,746.80

Finding the Fourth Proportional to 8,806,009.20, 13,209,013.80 and 7,766,746.80

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Solution

The fourth proportional to 8,806,009.20, 13,209,013.80 and 7,766,746.80 is: 11,650,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,009.20 : 13,209,013.80 = 7,766,746.80 : x
  2. Step 2: Convert to fraction form
    8,806,009.20/13,209,013.80 = 7,766,746.80/x
  3. Step 3: Cross multiply
    8,806,009.20x = 13,209,013.80 × 7,766,746.80
  4. Step 4: Simplify right side
    8,806,009.20x = 102,591,065,662,305.84
  5. Step 5: Solve for x
    x = 102,591,065,662,305.84/8,806,009.20
  6. Step 6: Final answer
    x = 11,650,120.20

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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.