Home / 13,542,609.95-20,319,613.29-8,429,316.47

Finding the Fourth Proportional to 13,542,609.95, 20,319,613.29 and 8,429,316.47

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Solution

The fourth proportional to 13,542,609.95, 20,319,613.29 and 8,429,316.47 is: 12,647,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542,609.95 : 20,319,613.29 = 8,429,316.47 : x
  2. Step 2: Convert to fraction form
    13,542,609.95/20,319,613.29 = 8,429,316.47/x
  3. Step 3: Cross multiply
    13,542,609.95x = 20,319,613.29 × 8,429,316.47
  4. Step 4: Simplify right side
    13,542,609.95x = 171,280,450,867,829.81
  5. Step 5: Solve for x
    x = 171,280,450,867,829.81/13,542,609.95
  6. Step 6: Final answer
    x = 12,647,521.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.