Home / 7,280,131.92-10,046,792.28-4,017,156.72

Finding the Fourth Proportional to 7,280,131.92, 10,046,792.28 and 4,017,156.72

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Solution

The fourth proportional to 7,280,131.92, 10,046,792.28 and 4,017,156.72 is: 5,543,792.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,131.92 : 10,046,792.28 = 4,017,156.72 : x
  2. Step 2: Convert to fraction form
    7,280,131.92/10,046,792.28 = 4,017,156.72/x
  3. Step 3: Cross multiply
    7,280,131.92x = 10,046,792.28 × 4,017,156.72
  4. Step 4: Simplify right side
    7,280,131.92x = 40,359,539,122,046.12
  5. Step 5: Solve for x
    x = 40,359,539,122,046.12/7,280,131.92
  6. Step 6: Final answer
    x = 5,543,792.28

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1.5x scale

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.