Home / 9,172,876.92-12,658,711.77-5,043,087.06

Finding the Fourth Proportional to 9,172,876.92, 12,658,711.77 and 5,043,087.06

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Solution

The fourth proportional to 9,172,876.92, 12,658,711.77 and 5,043,087.06 is: 6,959,538.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,876.92 : 12,658,711.77 = 5,043,087.06 : x
  2. Step 2: Convert to fraction form
    9,172,876.92/12,658,711.77 = 5,043,087.06/x
  3. Step 3: Cross multiply
    9,172,876.92x = 12,658,711.77 × 5,043,087.06
  4. Step 4: Simplify right side
    9,172,876.92x = 63,838,985,523,556.69
  5. Step 5: Solve for x
    x = 63,838,985,523,556.69/9,172,876.92
  6. Step 6: Final answer
    x = 6,959,538.00

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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.