Home / 9,151,528.11-12,629,907.71-5,022,356.10

Finding the Fourth Proportional to 9,151,528.11, 12,629,907.71 and 5,022,356.10

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Solution

The fourth proportional to 9,151,528.11, 12,629,907.71 and 5,022,356.10 is: 6,931,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151,528.11 : 12,629,907.71 = 5,022,356.10 : x
  2. Step 2: Convert to fraction form
    9,151,528.11/12,629,907.71 = 5,022,356.10/x
  3. Step 3: Cross multiply
    9,151,528.11x = 12,629,907.71 × 5,022,356.10
  4. Step 4: Simplify right side
    9,151,528.11x = 63,431,894,029,755.53
  5. Step 5: Solve for x
    x = 63,431,894,029,755.53/9,151,528.11
  6. Step 6: Final answer
    x = 6,931,289.86

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Double scale
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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.