Home / 9,281,153.28-12,807,336.96-5,151,394.56

Finding the Fourth Proportional to 9,281,153.28, 12,807,336.96 and 5,151,394.56

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Solution

The fourth proportional to 9,281,153.28, 12,807,336.96 and 5,151,394.56 is: 7,108,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281,153.28 : 12,807,336.96 = 5,151,394.56 : x
  2. Step 2: Convert to fraction form
    9,281,153.28/12,807,336.96 = 5,151,394.56/x
  3. Step 3: Cross multiply
    9,281,153.28x = 12,807,336.96 × 5,151,394.56
  4. Step 4: Simplify right side
    9,281,153.28x = 65,975,645,943,830.94
  5. Step 5: Solve for x
    x = 65,975,645,943,830.94/9,281,153.28
  6. Step 6: Final answer
    x = 7,108,561.18

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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.