Home / 26,627,235.20-39,940,852.80-12,278,328.20

Finding the Fourth Proportional to 26,627,235.20, 39,940,852.80 and 12,278,328.20

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Solution

The fourth proportional to 26,627,235.20, 39,940,852.80 and 12,278,328.20 is: 18,417,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,627,235.20 : 39,940,852.80 = 12,278,328.20 : x
  2. Step 2: Convert to fraction form
    26,627,235.20/39,940,852.80 = 12,278,328.20/x
  3. Step 3: Cross multiply
    26,627,235.20x = 39,940,852.80 × 12,278,328.20
  4. Step 4: Simplify right side
    26,627,235.20x = 490,406,899,266,288.88
  5. Step 5: Solve for x
    x = 490,406,899,266,288.88/26,627,235.20
  6. Step 6: Final answer
    x = 18,417,492.30

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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.