Home / 17,612,471.80-26,418,707.70-12,810,014.20

Finding the Fourth Proportional to 17,612,471.80, 26,418,707.70 and 12,810,014.20

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Solution

The fourth proportional to 17,612,471.80, 26,418,707.70 and 12,810,014.20 is: 19,215,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612,471.80 : 26,418,707.70 = 12,810,014.20 : x
  2. Step 2: Convert to fraction form
    17,612,471.80/26,418,707.70 = 12,810,014.20/x
  3. Step 3: Cross multiply
    17,612,471.80x = 26,418,707.70 × 12,810,014.20
  4. Step 4: Simplify right side
    17,612,471.80x = 338,424,020,782,649.31
  5. Step 5: Solve for x
    x = 338,424,020,782,649.31/17,612,471.80
  6. Step 6: Final answer
    x = 19,215,021.30

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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.