Home / 18,337,357.61-27,506,950.09-6,978,686.57

Finding the Fourth Proportional to 18,337,357.61, 27,506,950.09 and 6,978,686.57

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Solution

The fourth proportional to 18,337,357.61, 27,506,950.09 and 6,978,686.57 is: 10,468,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337,357.61 : 27,506,950.09 = 6,978,686.57 : x
  2. Step 2: Convert to fraction form
    18,337,357.61/27,506,950.09 = 6,978,686.57/x
  3. Step 3: Cross multiply
    18,337,357.61x = 27,506,950.09 × 6,978,686.57
  4. Step 4: Simplify right side
    18,337,357.61x = 191,962,383,019,761.81
  5. Step 5: Solve for x
    x = 191,962,383,019,761.81/18,337,357.61
  6. Step 6: Final answer
    x = 10,468,377.57

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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.