Home / 11,721,870.80-17,582,806.20-4,147,852.40

Finding the Fourth Proportional to 11,721,870.80, 17,582,806.20 and 4,147,852.40

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Solution

The fourth proportional to 11,721,870.80, 17,582,806.20 and 4,147,852.40 is: 6,221,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721,870.80 : 17,582,806.20 = 4,147,852.40 : x
  2. Step 2: Convert to fraction form
    11,721,870.80/17,582,806.20 = 4,147,852.40/x
  3. Step 3: Cross multiply
    11,721,870.80x = 17,582,806.20 × 4,147,852.40
  4. Step 4: Simplify right side
    11,721,870.80x = 72,930,884,895,404.88
  5. Step 5: Solve for x
    x = 72,930,884,895,404.88/11,721,870.80
  6. Step 6: Final answer
    x = 6,221,778.60

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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.