Home / 28,512,142.40-42,684,232.80-26,851,188.80

Finding the Fourth Proportional to 28,512,142.40, 42,684,232.80 and 26,851,188.80

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Solution

The fourth proportional to 28,512,142.40, 42,684,232.80 and 26,851,188.80 is: 40,197,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,142.40 : 42,684,232.80 = 26,851,188.80 : x
  2. Step 2: Convert to fraction form
    28,512,142.40/42,684,232.80 = 26,851,188.80/x
  3. Step 3: Cross multiply
    28,512,142.40x = 42,684,232.80 × 26,851,188.80
  4. Step 4: Simplify right side
    28,512,142.40x = 1,146,122,393,695,952.50
  5. Step 5: Solve for x
    x = 1,146,122,393,695,952.50/28,512,142.40
  6. Step 6: Final answer
    x = 40,197,694.64

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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.