Home / 12,302,026.20-18,458,288.10-5,908,987.80

Finding the Fourth Proportional to 12,302,026.20, 18,458,288.10 and 5,908,987.80

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Solution

The fourth proportional to 12,302,026.20, 18,458,288.10 and 5,908,987.80 is: 8,866,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,026.20 : 18,458,288.10 = 5,908,987.80 : x
  2. Step 2: Convert to fraction form
    12,302,026.20/18,458,288.10 = 5,908,987.80/x
  3. Step 3: Cross multiply
    12,302,026.20x = 18,458,288.10 × 5,908,987.80
  4. Step 4: Simplify right side
    12,302,026.20x = 109,069,799,191,785.19
  5. Step 5: Solve for x
    x = 109,069,799,191,785.19/12,302,026.20
  6. Step 6: Final answer
    x = 8,866,002.84

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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.