Home / 21,153,157.38-31,734,304.38-6,579,799.65

Finding the Fourth Proportional to 21,153,157.38, 31,734,304.38 and 6,579,799.65

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Solution

The fourth proportional to 21,153,157.38, 31,734,304.38 and 6,579,799.65 is: 9,871,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,153,157.38 : 31,734,304.38 = 6,579,799.65 : x
  2. Step 2: Convert to fraction form
    21,153,157.38/31,734,304.38 = 6,579,799.65/x
  3. Step 3: Cross multiply
    21,153,157.38x = 31,734,304.38 × 6,579,799.65
  4. Step 4: Simplify right side
    21,153,157.38x = 208,805,364,852,517.47
  5. Step 5: Solve for x
    x = 208,805,364,852,517.47/21,153,157.38
  6. Step 6: Final answer
    x = 9,871,120.47

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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.