Home / 12,842,729.40-17,723,520.02-7,685,098.14

Finding the Fourth Proportional to 12,842,729.40, 17,723,520.02 and 7,685,098.14

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Solution

The fourth proportional to 12,842,729.40, 17,723,520.02 and 7,685,098.14 is: 10,605,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842,729.40 : 17,723,520.02 = 7,685,098.14 : x
  2. Step 2: Convert to fraction form
    12,842,729.40/17,723,520.02 = 7,685,098.14/x
  3. Step 3: Cross multiply
    12,842,729.40x = 17,723,520.02 × 7,685,098.14
  4. Step 4: Simplify right side
    12,842,729.40x = 136,206,990,739,954.75
  5. Step 5: Solve for x
    x = 136,206,990,739,954.75/12,842,729.40
  6. Step 6: Final answer
    x = 10,605,766.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.