Home / 9,659,829.97-13,330,885.05-5,309,070.49

Finding the Fourth Proportional to 9,659,829.97, 13,330,885.05 and 5,309,070.49

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Solution

The fourth proportional to 9,659,829.97, 13,330,885.05 and 5,309,070.49 is: 7,326,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659,829.97 : 13,330,885.05 = 5,309,070.49 : x
  2. Step 2: Convert to fraction form
    9,659,829.97/13,330,885.05 = 5,309,070.49/x
  3. Step 3: Cross multiply
    9,659,829.97x = 13,330,885.05 × 5,309,070.49
  4. Step 4: Simplify right side
    9,659,829.97x = 70,774,608,391,209.97
  5. Step 5: Solve for x
    x = 70,774,608,391,209.97/9,659,829.97
  6. Step 6: Final answer
    x = 7,326,692.98

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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.