Home / 17,403,240.40-26,079,977.40-12,818,510.80

Finding the Fourth Proportional to 17,403,240.40, 26,079,977.40 and 12,818,510.80

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Solution

The fourth proportional to 17,403,240.40, 26,079,977.40 and 12,818,510.80 is: 19,209,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,403,240.40 : 26,079,977.40 = 12,818,510.80 : x
  2. Step 2: Convert to fraction form
    17,403,240.40/26,079,977.40 = 12,818,510.80/x
  3. Step 3: Cross multiply
    17,403,240.40x = 26,079,977.40 × 12,818,510.80
  4. Step 4: Simplify right side
    17,403,240.40x = 334,306,471,965,655.94
  5. Step 5: Solve for x
    x = 334,306,471,965,655.94/17,403,240.40
  6. Step 6: Final answer
    x = 19,209,438.26

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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.