Home / 28,194,920.40-42,303,439.80-10,245,838.80

Finding the Fourth Proportional to 28,194,920.40, 42,303,439.80 and 10,245,838.80

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Solution

The fourth proportional to 28,194,920.40, 42,303,439.80 and 10,245,838.80 is: 15,372,777.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194,920.40 : 42,303,439.80 = 10,245,838.80 : x
  2. Step 2: Convert to fraction form
    28,194,920.40/42,303,439.80 = 10,245,838.80/x
  3. Step 3: Cross multiply
    28,194,920.40x = 42,303,439.80 × 10,245,838.80
  4. Step 4: Simplify right side
    28,194,920.40x = 433,434,224,876,304.25
  5. Step 5: Solve for x
    x = 433,434,224,876,304.25/28,194,920.40
  6. Step 6: Final answer
    x = 15,372,777.04

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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.