Home / 10,791,883.40-16,187,825.10-5,417,112.20

Finding the Fourth Proportional to 10,791,883.40, 16,187,825.10 and 5,417,112.20

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Solution

The fourth proportional to 10,791,883.40, 16,187,825.10 and 5,417,112.20 is: 8,125,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791,883.40 : 16,187,825.10 = 5,417,112.20 : x
  2. Step 2: Convert to fraction form
    10,791,883.40/16,187,825.10 = 5,417,112.20/x
  3. Step 3: Cross multiply
    10,791,883.40x = 16,187,825.10 × 5,417,112.20
  4. Step 4: Simplify right side
    10,791,883.40x = 87,691,264,840,676.22
  5. Step 5: Solve for x
    x = 87,691,264,840,676.22/10,791,883.40
  6. Step 6: Final answer
    x = 8,125,668.30

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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.