Home / 8,510,394-12,765,561.84-2,120,650.80

Finding the Fourth Proportional to 8,510,394, 12,765,561.84 and 2,120,650.80

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Solution

The fourth proportional to 8,510,394, 12,765,561.84 and 2,120,650.80 is: 3,180,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,394 : 12,765,561.84 = 2,120,650.80 : x
  2. Step 2: Convert to fraction form
    8,510,394/12,765,561.84 = 2,120,650.80/x
  3. Step 3: Cross multiply
    8,510,394x = 12,765,561.84 × 2,120,650.80
  4. Step 4: Simplify right side
    8,510,394x = 27,071,298,928,445.47
  5. Step 5: Solve for x
    x = 27,071,298,928,445.47/8,510,394
  6. Step 6: Final answer
    x = 3,180,968.93

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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.