Home / 12,309,327.63-16,985,982.56-6,802,636.59

Finding the Fourth Proportional to 12,309,327.63, 16,985,982.56 and 6,802,636.59

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Solution

The fourth proportional to 12,309,327.63, 16,985,982.56 and 6,802,636.59 is: 9,387,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309,327.63 : 16,985,982.56 = 6,802,636.59 : x
  2. Step 2: Convert to fraction form
    12,309,327.63/16,985,982.56 = 6,802,636.59/x
  3. Step 3: Cross multiply
    12,309,327.63x = 16,985,982.56 × 6,802,636.59
  4. Step 4: Simplify right side
    12,309,327.63x = 115,549,466,445,744.69
  5. Step 5: Solve for x
    x = 115,549,466,445,744.69/12,309,327.63
  6. Step 6: Final answer
    x = 9,387,146.88

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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.