Home / 8,919,655.90-12,309,463.49-4,999,484.48

Finding the Fourth Proportional to 8,919,655.90, 12,309,463.49 and 4,999,484.48

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Solution

The fourth proportional to 8,919,655.90, 12,309,463.49 and 4,999,484.48 is: 6,899,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919,655.90 : 12,309,463.49 = 4,999,484.48 : x
  2. Step 2: Convert to fraction form
    8,919,655.90/12,309,463.49 = 4,999,484.48/x
  3. Step 3: Cross multiply
    8,919,655.90x = 12,309,463.49 × 4,999,484.48
  4. Step 4: Simplify right side
    8,919,655.90x = 61,540,971,588,836.89
  5. Step 5: Solve for x
    x = 61,540,971,588,836.89/8,919,655.90
  6. Step 6: Final answer
    x = 6,899,478.22

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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.