Home / 28,029,485.40-42,044,228.10-26,328,874.20

Finding the Fourth Proportional to 28,029,485.40, 42,044,228.10 and 26,328,874.20

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Solution

The fourth proportional to 28,029,485.40, 42,044,228.10 and 26,328,874.20 is: 39,493,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,485.40 : 42,044,228.10 = 26,328,874.20 : x
  2. Step 2: Convert to fraction form
    28,029,485.40/42,044,228.10 = 26,328,874.20/x
  3. Step 3: Cross multiply
    28,029,485.40x = 42,044,228.10 × 26,328,874.20
  4. Step 4: Simplify right side
    28,029,485.40x = 1,106,977,192,481,005
  5. Step 5: Solve for x
    x = 1,106,977,192,481,005/28,029,485.40
  6. Step 6: Final answer
    x = 39,493,311.30

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Similar ratio
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1.5x scale

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.