Home / 8,612,996.49-12,919,494.77-2,547,256.21

Finding the Fourth Proportional to 8,612,996.49, 12,919,494.77 and 2,547,256.21

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Solution

The fourth proportional to 8,612,996.49, 12,919,494.77 and 2,547,256.21 is: 3,820,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,996.49 : 12,919,494.77 = 2,547,256.21 : x
  2. Step 2: Convert to fraction form
    8,612,996.49/12,919,494.77 = 2,547,256.21/x
  3. Step 3: Cross multiply
    8,612,996.49x = 12,919,494.77 × 2,547,256.21
  4. Step 4: Simplify right side
    8,612,996.49x = 32,909,263,247,462.21
  5. Step 5: Solve for x
    x = 32,909,263,247,462.21/8,612,996.49
  6. Step 6: Final answer
    x = 3,820,884.32

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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.