Home / 18,896,003.60-28,351,003.80-7,544,598.80

Finding the Fourth Proportional to 18,896,003.60, 28,351,003.80 and 7,544,598.80

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Solution

The fourth proportional to 18,896,003.60, 28,351,003.80 and 7,544,598.80 is: 11,319,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896,003.60 : 28,351,003.80 = 7,544,598.80 : x
  2. Step 2: Convert to fraction form
    18,896,003.60/28,351,003.80 = 7,544,598.80/x
  3. Step 3: Cross multiply
    18,896,003.60x = 28,351,003.80 × 7,544,598.80
  4. Step 4: Simplify right side
    18,896,003.60x = 213,896,949,248,275.44
  5. Step 5: Solve for x
    x = 213,896,949,248,275.44/18,896,003.60
  6. Step 6: Final answer
    x = 11,319,692.45

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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.