Home / 12,294,459.68-16,966,275.05-6,788,177.69

Finding the Fourth Proportional to 12,294,459.68, 16,966,275.05 and 6,788,177.69

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Solution

The fourth proportional to 12,294,459.68, 16,966,275.05 and 6,788,177.69 is: 9,367,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294,459.68 : 16,966,275.05 = 6,788,177.69 : x
  2. Step 2: Convert to fraction form
    12,294,459.68/16,966,275.05 = 6,788,177.69/x
  3. Step 3: Cross multiply
    12,294,459.68x = 16,966,275.05 × 6,788,177.69
  4. Step 4: Simplify right side
    12,294,459.68x = 115,170,089,708,952.69
  5. Step 5: Solve for x
    x = 115,170,089,708,952.69/12,294,459.68
  6. Step 6: Final answer
    x = 9,367,641.42

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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.