Home / 8,482,478.24-11,712,887.55-7,867,045.50

Finding the Fourth Proportional to 8,482,478.24, 11,712,887.55 and 7,867,045.50

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Solution

The fourth proportional to 8,482,478.24, 11,712,887.55 and 7,867,045.50 is: 10,863,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482,478.24 : 11,712,887.55 = 7,867,045.50 : x
  2. Step 2: Convert to fraction form
    8,482,478.24/11,712,887.55 = 7,867,045.50/x
  3. Step 3: Cross multiply
    8,482,478.24x = 11,712,887.55 × 7,867,045.50
  4. Step 4: Simplify right side
    8,482,478.24x = 92,145,819,292,233.53
  5. Step 5: Solve for x
    x = 92,145,819,292,233.53/8,482,478.24
  6. Step 6: Final answer
    x = 10,863,077.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.