Home / 8,779,121.70-13,168,682.55-2,389,363.80

Finding the Fourth Proportional to 8,779,121.70, 13,168,682.55 and 2,389,363.80

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Solution

The fourth proportional to 8,779,121.70, 13,168,682.55 and 2,389,363.80 is: 3,584,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,121.70 : 13,168,682.55 = 2,389,363.80 : x
  2. Step 2: Convert to fraction form
    8,779,121.70/13,168,682.55 = 2,389,363.80/x
  3. Step 3: Cross multiply
    8,779,121.70x = 13,168,682.55 × 2,389,363.80
  4. Step 4: Simplify right side
    8,779,121.70x = 31,464,773,378,661.69
  5. Step 5: Solve for x
    x = 31,464,773,378,661.69/8,779,121.70
  6. Step 6: Final answer
    x = 3,584,045.70

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Similar ratio
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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.