Home / 8,847,221.79-12,206,698.86-5,706,156.36

Finding the Fourth Proportional to 8,847,221.79, 12,206,698.86 and 5,706,156.36

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Solution

The fourth proportional to 8,847,221.79, 12,206,698.86 and 5,706,156.36 is: 7,872,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847,221.79 : 12,206,698.86 = 5,706,156.36 : x
  2. Step 2: Convert to fraction form
    8,847,221.79/12,206,698.86 = 5,706,156.36/x
  3. Step 3: Cross multiply
    8,847,221.79x = 12,206,698.86 × 5,706,156.36
  4. Step 4: Simplify right side
    8,847,221.79x = 69,653,332,334,593.75
  5. Step 5: Solve for x
    x = 69,653,332,334,593.75/8,847,221.79
  6. Step 6: Final answer
    x = 7,872,904.51

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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.