Home / 28,043,276.80-42,064,915.20-26,720,579.20

Finding the Fourth Proportional to 28,043,276.80, 42,064,915.20 and 26,720,579.20

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Solution

The fourth proportional to 28,043,276.80, 42,064,915.20 and 26,720,579.20 is: 40,080,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043,276.80 : 42,064,915.20 = 26,720,579.20 : x
  2. Step 2: Convert to fraction form
    28,043,276.80/42,064,915.20 = 26,720,579.20/x
  3. Step 3: Cross multiply
    28,043,276.80x = 42,064,915.20 × 26,720,579.20
  4. Step 4: Simplify right side
    28,043,276.80x = 1,123,998,898,142,883.88
  5. Step 5: Solve for x
    x = 1,123,998,898,142,883.88/28,043,276.80
  6. Step 6: Final answer
    x = 40,080,868.80

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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.