Home / 12,876,615.40-19,317,515.10-3,778,695.40

Finding the Fourth Proportional to 12,876,615.40, 19,317,515.10 and 3,778,695.40

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Solution

The fourth proportional to 12,876,615.40, 19,317,515.10 and 3,778,695.40 is: 5,668,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876,615.40 : 19,317,515.10 = 3,778,695.40 : x
  2. Step 2: Convert to fraction form
    12,876,615.40/19,317,515.10 = 3,778,695.40/x
  3. Step 3: Cross multiply
    12,876,615.40x = 19,317,515.10 × 3,778,695.40
  4. Step 4: Simplify right side
    12,876,615.40x = 72,995,005,447,800.55
  5. Step 5: Solve for x
    x = 72,995,005,447,800.55/12,876,615.40
  6. Step 6: Final answer
    x = 5,668,803.73

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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.