Home / 8,711,613.21-12,022,319.87-4,791,672.51

Finding the Fourth Proportional to 8,711,613.21, 12,022,319.87 and 4,791,672.51

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Solution

The fourth proportional to 8,711,613.21, 12,022,319.87 and 4,791,672.51 is: 6,612,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711,613.21 : 12,022,319.87 = 4,791,672.51 : x
  2. Step 2: Convert to fraction form
    8,711,613.21/12,022,319.87 = 4,791,672.51/x
  3. Step 3: Cross multiply
    8,711,613.21x = 12,022,319.87 × 4,791,672.51
  4. Step 4: Simplify right side
    8,711,613.21x = 57,607,019,603,547.41
  5. Step 5: Solve for x
    x = 57,607,019,603,547.41/8,711,613.21
  6. Step 6: Final answer
    x = 6,612,669.57

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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.