Home / 20,198,011.23-30,300,968.03-7,418,612.07

Finding the Fourth Proportional to 20,198,011.23, 30,300,968.03 and 7,418,612.07

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Solution

The fourth proportional to 20,198,011.23, 30,300,968.03 and 7,418,612.07 is: 11,129,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,011.23 : 30,300,968.03 = 7,418,612.07 : x
  2. Step 2: Convert to fraction form
    20,198,011.23/30,300,968.03 = 7,418,612.07/x
  3. Step 3: Cross multiply
    20,198,011.23x = 30,300,968.03 × 7,418,612.07
  4. Step 4: Simplify right side
    20,198,011.23x = 224,791,127,122,949.06
  5. Step 5: Solve for x
    x = 224,791,127,122,949.06/20,198,011.23
  6. Step 6: Final answer
    x = 11,129,369.35

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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.