Home / 28,512,485.40-42,684,747.30-26,851,531.80

Finding the Fourth Proportional to 28,512,485.40, 42,684,747.30 and 26,851,531.80

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Solution

The fourth proportional to 28,512,485.40, 42,684,747.30 and 26,851,531.80 is: 40,198,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,485.40 : 42,684,747.30 = 26,851,531.80 : x
  2. Step 2: Convert to fraction form
    28,512,485.40/42,684,747.30 = 26,851,531.80/x
  3. Step 3: Cross multiply
    28,512,485.40x = 42,684,747.30 × 26,851,531.80
  4. Step 4: Simplify right side
    28,512,485.40x = 1,146,150,849,500,914
  5. Step 5: Solve for x
    x = 1,146,150,849,500,914/28,512,485.40
  6. Step 6: Final answer
    x = 40,198,209.08

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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.