Home / 10,367,999.90-15,551,999.85-3,179,476.70

Finding the Fourth Proportional to 10,367,999.90, 15,551,999.85 and 3,179,476.70

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Solution

The fourth proportional to 10,367,999.90, 15,551,999.85 and 3,179,476.70 is: 4,769,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,999.90 : 15,551,999.85 = 3,179,476.70 : x
  2. Step 2: Convert to fraction form
    10,367,999.90/15,551,999.85 = 3,179,476.70/x
  3. Step 3: Cross multiply
    10,367,999.90x = 15,551,999.85 × 3,179,476.70
  4. Step 4: Simplify right side
    10,367,999.90x = 49,447,221,161,478.50
  5. Step 5: Solve for x
    x = 49,447,221,161,478.50/10,367,999.90
  6. Step 6: Final answer
    x = 4,769,215.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.