Home / 8,858,774.57-12,226,694.25-5,187,476.81

Finding the Fourth Proportional to 8,858,774.57, 12,226,694.25 and 5,187,476.81

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Solution

The fourth proportional to 8,858,774.57, 12,226,694.25 and 5,187,476.81 is: 7,159,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,774.57 : 12,226,694.25 = 5,187,476.81 : x
  2. Step 2: Convert to fraction form
    8,858,774.57/12,226,694.25 = 5,187,476.81/x
  3. Step 3: Cross multiply
    8,858,774.57x = 12,226,694.25 × 5,187,476.81
  4. Step 4: Simplify right side
    8,858,774.57x = 63,425,692,823,701.87
  5. Step 5: Solve for x
    x = 63,425,692,823,701.87/8,858,774.57
  6. Step 6: Final answer
    x = 7,159,646.33

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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.