Home / 9,172,873.96-13,779,217.50-7,755,775.72

Finding the Fourth Proportional to 9,172,873.96, 13,779,217.50 and 7,755,775.72

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Solution

The fourth proportional to 9,172,873.96, 13,779,217.50 and 7,755,775.72 is: 11,650,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,873.96 : 13,779,217.50 = 7,755,775.72 : x
  2. Step 2: Convert to fraction form
    9,172,873.96/13,779,217.50 = 7,755,775.72/x
  3. Step 3: Cross multiply
    9,172,873.96x = 13,779,217.50 × 7,755,775.72
  4. Step 4: Simplify right side
    9,172,873.96x = 106,868,520,527,099.09
  5. Step 5: Solve for x
    x = 106,868,520,527,099.09/9,172,873.96
  6. Step 6: Final answer
    x = 11,650,494.82

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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.