Home / 10,000,392.38-13,800,541.95-5,416,713.75

Finding the Fourth Proportional to 10,000,392.38, 13,800,541.95 and 5,416,713.75

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Solution

The fourth proportional to 10,000,392.38, 13,800,541.95 and 5,416,713.75 is: 7,475,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000,392.38 : 13,800,541.95 = 5,416,713.75 : x
  2. Step 2: Convert to fraction form
    10,000,392.38/13,800,541.95 = 5,416,713.75/x
  3. Step 3: Cross multiply
    10,000,392.38x = 13,800,541.95 × 5,416,713.75
  4. Step 4: Simplify right side
    10,000,392.38x = 74,753,585,338,016.81
  5. Step 5: Solve for x
    x = 74,753,585,338,016.81/10,000,392.38
  6. Step 6: Final answer
    x = 7,475,065.23

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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.