Home / 9,917,589.45-13,685,523-5,565,834.99

Finding the Fourth Proportional to 9,917,589.45, 13,685,523 and 5,565,834.99

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Solution

The fourth proportional to 9,917,589.45, 13,685,523 and 5,565,834.99 is: 7,680,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917,589.45 : 13,685,523 = 5,565,834.99 : x
  2. Step 2: Convert to fraction form
    9,917,589.45/13,685,523 = 5,565,834.99/x
  3. Step 3: Cross multiply
    9,917,589.45x = 13,685,523 × 5,565,834.99
  4. Step 4: Simplify right side
    9,917,589.45x = 76,171,362,769,849.77
  5. Step 5: Solve for x
    x = 76,171,362,769,849.77/9,917,589.45
  6. Step 6: Final answer
    x = 7,680,431.13

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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.