Home / 7,128,002.10-10,692,003.15-2,335,847.70

Finding the Fourth Proportional to 7,128,002.10, 10,692,003.15 and 2,335,847.70

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Solution

The fourth proportional to 7,128,002.10, 10,692,003.15 and 2,335,847.70 is: 3,503,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,002.10 : 10,692,003.15 = 2,335,847.70 : x
  2. Step 2: Convert to fraction form
    7,128,002.10/10,692,003.15 = 2,335,847.70/x
  3. Step 3: Cross multiply
    7,128,002.10x = 10,692,003.15 × 2,335,847.70
  4. Step 4: Simplify right side
    7,128,002.10x = 24,974,890,966,320.26
  5. Step 5: Solve for x
    x = 24,974,890,966,320.26/7,128,002.10
  6. Step 6: Final answer
    x = 3,503,771.55

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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.