Home / 28,031,486.70-42,047,230.05-8,868,117.90

Finding the Fourth Proportional to 28,031,486.70, 42,047,230.05 and 8,868,117.90

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Solution

The fourth proportional to 28,031,486.70, 42,047,230.05 and 8,868,117.90 is: 13,302,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031,486.70 : 42,047,230.05 = 8,868,117.90 : x
  2. Step 2: Convert to fraction form
    28,031,486.70/42,047,230.05 = 8,868,117.90/x
  3. Step 3: Cross multiply
    28,031,486.70x = 42,047,230.05 × 8,868,117.90
  4. Step 4: Simplify right side
    28,031,486.70x = 372,879,793,451,822.88
  5. Step 5: Solve for x
    x = 372,879,793,451,822.88/28,031,486.70
  6. Step 6: Final answer
    x = 13,302,176.85

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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.