Home / 8,748,078.20-13,122,117.30-3,965,109.20

Finding the Fourth Proportional to 8,748,078.20, 13,122,117.30 and 3,965,109.20

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Solution

The fourth proportional to 8,748,078.20, 13,122,117.30 and 3,965,109.20 is: 5,947,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,078.20 : 13,122,117.30 = 3,965,109.20 : x
  2. Step 2: Convert to fraction form
    8,748,078.20/13,122,117.30 = 3,965,109.20/x
  3. Step 3: Cross multiply
    8,748,078.20x = 13,122,117.30 × 3,965,109.20
  4. Step 4: Simplify right side
    8,748,078.20x = 52,030,628,029,709.16
  5. Step 5: Solve for x
    x = 52,030,628,029,709.16/8,748,078.20
  6. Step 6: Final answer
    x = 5,947,663.80

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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.