Home / 15,661,379.90-23,492,069.85-8,486,926.40

Finding the Fourth Proportional to 15,661,379.90, 23,492,069.85 and 8,486,926.40

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Solution

The fourth proportional to 15,661,379.90, 23,492,069.85 and 8,486,926.40 is: 12,730,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661,379.90 : 23,492,069.85 = 8,486,926.40 : x
  2. Step 2: Convert to fraction form
    15,661,379.90/23,492,069.85 = 8,486,926.40/x
  3. Step 3: Cross multiply
    15,661,379.90x = 23,492,069.85 × 8,486,926.40
  4. Step 4: Simplify right side
    15,661,379.90x = 199,375,467,800,609.06
  5. Step 5: Solve for x
    x = 199,375,467,800,609.06/15,661,379.90
  6. Step 6: Final answer
    x = 12,730,389.60

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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.