Home / 8,217,618.06-11,343,944.90-4,911,078.72

Finding the Fourth Proportional to 8,217,618.06, 11,343,944.90 and 4,911,078.72

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Solution

The fourth proportional to 8,217,618.06, 11,343,944.90 and 4,911,078.72 is: 6,779,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217,618.06 : 11,343,944.90 = 4,911,078.72 : x
  2. Step 2: Convert to fraction form
    8,217,618.06/11,343,944.90 = 4,911,078.72/x
  3. Step 3: Cross multiply
    8,217,618.06x = 11,343,944.90 × 4,911,078.72
  4. Step 4: Simplify right side
    8,217,618.06x = 55,711,006,399,242.52
  5. Step 5: Solve for x
    x = 55,711,006,399,242.52/8,217,618.06
  6. Step 6: Final answer
    x = 6,779,459.20

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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.