Home / 10,693,883.60-16,040,825.40-8,174,459.60

Finding the Fourth Proportional to 10,693,883.60, 16,040,825.40 and 8,174,459.60

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Solution

The fourth proportional to 10,693,883.60, 16,040,825.40 and 8,174,459.60 is: 12,261,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693,883.60 : 16,040,825.40 = 8,174,459.60 : x
  2. Step 2: Convert to fraction form
    10,693,883.60/16,040,825.40 = 8,174,459.60/x
  3. Step 3: Cross multiply
    10,693,883.60x = 16,040,825.40 × 8,174,459.60
  4. Step 4: Simplify right side
    10,693,883.60x = 131,125,079,182,953.84
  5. Step 5: Solve for x
    x = 131,125,079,182,953.84/10,693,883.60
  6. Step 6: Final answer
    x = 12,261,689.40

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Similar ratio
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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.