Home / 12,793,064.47-17,654,386.79-6,991,844.67

Finding the Fourth Proportional to 12,793,064.47, 17,654,386.79 and 6,991,844.67

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Solution

The fourth proportional to 12,793,064.47, 17,654,386.79 and 6,991,844.67 is: 9,648,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793,064.47 : 17,654,386.79 = 6,991,844.67 : x
  2. Step 2: Convert to fraction form
    12,793,064.47/17,654,386.79 = 6,991,844.67/x
  3. Step 3: Cross multiply
    12,793,064.47x = 17,654,386.79 × 6,991,844.67
  4. Step 4: Simplify right side
    12,793,064.47x = 123,436,730,197,259.52
  5. Step 5: Solve for x
    x = 123,436,730,197,259.52/12,793,064.47
  6. Step 6: Final answer
    x = 9,648,722.60

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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.