Home / 8,801,423.20-13,208,039.70-5,203,370.80

Finding the Fourth Proportional to 8,801,423.20, 13,208,039.70 and 5,203,370.80

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Solution

The fourth proportional to 8,801,423.20, 13,208,039.70 and 5,203,370.80 is: 7,808,547.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801,423.20 : 13,208,039.70 = 5,203,370.80 : x
  2. Step 2: Convert to fraction form
    8,801,423.20/13,208,039.70 = 5,203,370.80/x
  3. Step 3: Cross multiply
    8,801,423.20x = 13,208,039.70 × 5,203,370.80
  4. Step 4: Simplify right side
    8,801,423.20x = 68,726,328,100,220.75
  5. Step 5: Solve for x
    x = 68,726,328,100,220.75/8,801,423.20
  6. Step 6: Final answer
    x = 7,808,547.16

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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.