Home / 26,820,021.10-40,230,031.65-9,781,249.90

Finding the Fourth Proportional to 26,820,021.10, 40,230,031.65 and 9,781,249.90

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Solution

The fourth proportional to 26,820,021.10, 40,230,031.65 and 9,781,249.90 is: 14,671,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820,021.10 : 40,230,031.65 = 9,781,249.90 : x
  2. Step 2: Convert to fraction form
    26,820,021.10/40,230,031.65 = 9,781,249.90/x
  3. Step 3: Cross multiply
    26,820,021.10x = 40,230,031.65 × 9,781,249.90
  4. Step 4: Simplify right side
    26,820,021.10x = 393,499,993,053,559.31
  5. Step 5: Solve for x
    x = 393,499,993,053,559.31/26,820,021.10
  6. Step 6: Final answer
    x = 14,671,874.85

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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.