Home / 28,077,226.90-42,115,840.35-7,882,468.90

Finding the Fourth Proportional to 28,077,226.90, 42,115,840.35 and 7,882,468.90

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Solution

The fourth proportional to 28,077,226.90, 42,115,840.35 and 7,882,468.90 is: 11,823,703.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077,226.90 : 42,115,840.35 = 7,882,468.90 : x
  2. Step 2: Convert to fraction form
    28,077,226.90/42,115,840.35 = 7,882,468.90/x
  3. Step 3: Cross multiply
    28,077,226.90x = 42,115,840.35 × 7,882,468.90
  4. Step 4: Simplify right side
    28,077,226.90x = 331,976,801,756,240.12
  5. Step 5: Solve for x
    x = 331,976,801,756,240.12/28,077,226.90
  6. Step 6: Final answer
    x = 11,823,703.35

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Double scale
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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.