Home / 20,853,397.05-31,283,048.03-6,474,965.55

Finding the Fourth Proportional to 20,853,397.05, 31,283,048.03 and 6,474,965.55

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Solution

The fourth proportional to 20,853,397.05, 31,283,048.03 and 6,474,965.55 is: 9,713,365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853,397.05 : 31,283,048.03 = 6,474,965.55 : x
  2. Step 2: Convert to fraction form
    20,853,397.05/31,283,048.03 = 6,474,965.55/x
  3. Step 3: Cross multiply
    20,853,397.05x = 31,283,048.03 × 6,474,965.55
  4. Step 4: Simplify right side
    20,853,397.05x = 202,556,658,260,870.53
  5. Step 5: Solve for x
    x = 202,556,658,260,870.53/20,853,397.05
  6. Step 6: Final answer
    x = 9,713,365.06

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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.