Home / 19,344,223.80-28,974,345.30-15,984,991.80

Finding the Fourth Proportional to 19,344,223.80, 28,974,345.30 and 15,984,991.80

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Solution

The fourth proportional to 19,344,223.80, 28,974,345.30 and 15,984,991.80 is: 23,942,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344,223.80 : 28,974,345.30 = 15,984,991.80 : x
  2. Step 2: Convert to fraction form
    19,344,223.80/28,974,345.30 = 15,984,991.80/x
  3. Step 3: Cross multiply
    19,344,223.80x = 28,974,345.30 × 15,984,991.80
  4. Step 4: Simplify right side
    19,344,223.80x = 463,154,672,030,868.56
  5. Step 5: Solve for x
    x = 463,154,672,030,868.56/19,344,223.80
  6. Step 6: Final answer
    x = 23,942,789.17

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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.