Home / 10,000,394.88-13,800,545.40-5,416,716.25

Finding the Fourth Proportional to 10,000,394.88, 13,800,545.40 and 5,416,716.25

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Solution

The fourth proportional to 10,000,394.88, 13,800,545.40 and 5,416,716.25 is: 7,475,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000,394.88 : 13,800,545.40 = 5,416,716.25 : x
  2. Step 2: Convert to fraction form
    10,000,394.88/13,800,545.40 = 5,416,716.25/x
  3. Step 3: Cross multiply
    10,000,394.88x = 13,800,545.40 × 5,416,716.25
  4. Step 4: Simplify right side
    10,000,394.88x = 74,753,638,527,042.75
  5. Step 5: Solve for x
    x = 74,753,638,527,042.75/10,000,394.88
  6. Step 6: Final answer
    x = 7,475,068.68

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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.