Home / 10,332,847.40-15,492,272.70-5,280,002.60

Finding the Fourth Proportional to 10,332,847.40, 15,492,272.70 and 5,280,002.60

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Solution

The fourth proportional to 10,332,847.40, 15,492,272.70 and 5,280,002.60 is: 7,916,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332,847.40 : 15,492,272.70 = 5,280,002.60 : x
  2. Step 2: Convert to fraction form
    10,332,847.40/15,492,272.70 = 5,280,002.60/x
  3. Step 3: Cross multiply
    10,332,847.40x = 15,492,272.70 × 5,280,002.60
  4. Step 4: Simplify right side
    10,332,847.40x = 81,799,240,135,909.02
  5. Step 5: Solve for x
    x = 81,799,240,135,909.02/10,332,847.40
  6. Step 6: Final answer
    x = 7,916,427.77

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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.