Home / 52,378,938.15-78,519,553.44-17,811,718.26

Finding the Fourth Proportional to 52,378,938.15, 78,519,553.44 and 17,811,718.26

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Solution

The fourth proportional to 52,378,938.15, 78,519,553.44 and 17,811,718.26 is: 26,700,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378,938.15 : 78,519,553.44 = 17,811,718.26 : x
  2. Step 2: Convert to fraction form
    52,378,938.15/78,519,553.44 = 17,811,718.26/x
  3. Step 3: Cross multiply
    52,378,938.15x = 78,519,553.44 × 17,811,718.26
  4. Step 4: Simplify right side
    52,378,938.15x = 1,398,568,163,774,294
  5. Step 5: Solve for x
    x = 1,398,568,163,774,294/52,378,938.15
  6. Step 6: Final answer
    x = 26,700,964.42

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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.