Home / 8,987,029.20-13,480,543.80-2,921,749.20

Finding the Fourth Proportional to 8,987,029.20, 13,480,543.80 and 2,921,749.20

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Solution

The fourth proportional to 8,987,029.20, 13,480,543.80 and 2,921,749.20 is: 4,382,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987,029.20 : 13,480,543.80 = 2,921,749.20 : x
  2. Step 2: Convert to fraction form
    8,987,029.20/13,480,543.80 = 2,921,749.20/x
  3. Step 3: Cross multiply
    8,987,029.20x = 13,480,543.80 × 2,921,749.20
  4. Step 4: Simplify right side
    8,987,029.20x = 39,386,768,063,214.96
  5. Step 5: Solve for x
    x = 39,386,768,063,214.96/8,987,029.20
  6. Step 6: Final answer
    x = 4,382,623.80

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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.