Home / 28,183,320.98-38,895,381.57-15,962,352.02

Finding the Fourth Proportional to 28,183,320.98, 38,895,381.57 and 15,962,352.02

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Solution

The fourth proportional to 28,183,320.98, 38,895,381.57 and 15,962,352.02 is: 22,029,404.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183,320.98 : 38,895,381.57 = 15,962,352.02 : x
  2. Step 2: Convert to fraction form
    28,183,320.98/38,895,381.57 = 15,962,352.02/x
  3. Step 3: Cross multiply
    28,183,320.98x = 38,895,381.57 × 15,962,352.02
  4. Step 4: Simplify right side
    28,183,320.98x = 620,861,772,572,560.25
  5. Step 5: Solve for x
    x = 620,861,772,572,560.25/28,183,320.98
  6. Step 6: Final answer
    x = 22,029,404.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.