Home / 7,805,615.40-11,708,423.10-2,125,830.60

Finding the Fourth Proportional to 7,805,615.40, 11,708,423.10 and 2,125,830.60

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Solution

The fourth proportional to 7,805,615.40, 11,708,423.10 and 2,125,830.60 is: 3,188,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805,615.40 : 11,708,423.10 = 2,125,830.60 : x
  2. Step 2: Convert to fraction form
    7,805,615.40/11,708,423.10 = 2,125,830.60/x
  3. Step 3: Cross multiply
    7,805,615.40x = 11,708,423.10 × 2,125,830.60
  4. Step 4: Simplify right side
    7,805,615.40x = 24,890,124,103,726.86
  5. Step 5: Solve for x
    x = 24,890,124,103,726.86/7,805,615.40
  6. Step 6: Final answer
    x = 3,188,745.90

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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.