Home / 21,978,041.20-32,967,061.80-15,175,596.40

Finding the Fourth Proportional to 21,978,041.20, 32,967,061.80 and 15,175,596.40

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Solution

The fourth proportional to 21,978,041.20, 32,967,061.80 and 15,175,596.40 is: 22,763,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,978,041.20 : 32,967,061.80 = 15,175,596.40 : x
  2. Step 2: Convert to fraction form
    21,978,041.20/32,967,061.80 = 15,175,596.40/x
  3. Step 3: Cross multiply
    21,978,041.20x = 32,967,061.80 × 15,175,596.40
  4. Step 4: Simplify right side
    21,978,041.20x = 500,294,824,370,657.56
  5. Step 5: Solve for x
    x = 500,294,824,370,657.56/21,978,041.20
  6. Step 6: Final answer
    x = 22,763,394.60

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1.5x scale

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.