Home / 15,147,817.40-22,721,726.10-4,912,657.40

Finding the Fourth Proportional to 15,147,817.40, 22,721,726.10 and 4,912,657.40

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Solution

The fourth proportional to 15,147,817.40, 22,721,726.10 and 4,912,657.40 is: 7,368,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147,817.40 : 22,721,726.10 = 4,912,657.40 : x
  2. Step 2: Convert to fraction form
    15,147,817.40/22,721,726.10 = 4,912,657.40/x
  3. Step 3: Cross multiply
    15,147,817.40x = 22,721,726.10 × 4,912,657.40
  4. Step 4: Simplify right side
    15,147,817.40x = 111,624,055,865,938.16
  5. Step 5: Solve for x
    x = 111,624,055,865,938.16/15,147,817.40
  6. Step 6: Final answer
    x = 7,368,986.10

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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.