Home / 21,978,041.70-32,967,062.55-15,175,596.90

Finding the Fourth Proportional to 21,978,041.70, 32,967,062.55 and 15,175,596.90

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Solution

The fourth proportional to 21,978,041.70, 32,967,062.55 and 15,175,596.90 is: 22,763,395.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,978,041.70 : 32,967,062.55 = 15,175,596.90 : x
  2. Step 2: Convert to fraction form
    21,978,041.70/32,967,062.55 = 15,175,596.90/x
  3. Step 3: Cross multiply
    21,978,041.70x = 32,967,062.55 × 15,175,596.90
  4. Step 4: Simplify right side
    21,978,041.70x = 500,294,852,235,886.12
  5. Step 5: Solve for x
    x = 500,294,852,235,886.12/21,978,041.70
  6. Step 6: Final answer
    x = 22,763,395.35

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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.