Home / 8,625,344.40-12,922,270.20-7,019,211.60

Finding the Fourth Proportional to 8,625,344.40, 12,922,270.20 and 7,019,211.60

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Solution

The fourth proportional to 8,625,344.40, 12,922,270.20 and 7,019,211.60 is: 10,516,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625,344.40 : 12,922,270.20 = 7,019,211.60 : x
  2. Step 2: Convert to fraction form
    8,625,344.40/12,922,270.20 = 7,019,211.60/x
  3. Step 3: Cross multiply
    8,625,344.40x = 12,922,270.20 × 7,019,211.60
  4. Step 4: Simplify right side
    8,625,344.40x = 90,704,148,886,174.31
  5. Step 5: Solve for x
    x = 90,704,148,886,174.31/8,625,344.40
  6. Step 6: Final answer
    x = 10,516,003.15

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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.