Home / 20,080,222.92-27,710,921.34-10,912,865.40

Finding the Fourth Proportional to 20,080,222.92, 27,710,921.34 and 10,912,865.40

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Solution

The fourth proportional to 20,080,222.92, 27,710,921.34 and 10,912,865.40 is: 15,059,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080,222.92 : 27,710,921.34 = 10,912,865.40 : x
  2. Step 2: Convert to fraction form
    20,080,222.92/27,710,921.34 = 10,912,865.40/x
  3. Step 3: Cross multiply
    20,080,222.92x = 27,710,921.34 × 10,912,865.40
  4. Step 4: Simplify right side
    20,080,222.92x = 302,405,554,693,407.62
  5. Step 5: Solve for x
    x = 302,405,554,693,407.62/20,080,222.92
  6. Step 6: Final answer
    x = 15,059,870.40

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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.