Home / 17,942,703.20-26,914,436.16-6,428,920.40

Finding the Fourth Proportional to 17,942,703.20, 26,914,436.16 and 6,428,920.40

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Solution

The fourth proportional to 17,942,703.20, 26,914,436.16 and 6,428,920.40 is: 9,643,517.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,942,703.20 : 26,914,436.16 = 6,428,920.40 : x
  2. Step 2: Convert to fraction form
    17,942,703.20/26,914,436.16 = 6,428,920.40/x
  3. Step 3: Cross multiply
    17,942,703.20x = 26,914,436.16 × 6,428,920.40
  4. Step 4: Simplify right side
    17,942,703.20x = 173,030,767,683,521.69
  5. Step 5: Solve for x
    x = 173,030,767,683,521.69/17,942,703.20
  6. Step 6: Final answer
    x = 9,643,517.24

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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.