Home / 27,148,561.29-40,668,317.11-12,555,025.35

Finding the Fourth Proportional to 27,148,561.29, 40,668,317.11 and 12,555,025.35

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Solution

The fourth proportional to 27,148,561.29, 40,668,317.11 and 12,555,025.35 is: 18,807,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148,561.29 : 40,668,317.11 = 12,555,025.35 : x
  2. Step 2: Convert to fraction form
    27,148,561.29/40,668,317.11 = 12,555,025.35/x
  3. Step 3: Cross multiply
    27,148,561.29x = 40,668,317.11 × 12,555,025.35
  4. Step 4: Simplify right side
    27,148,561.29x = 510,591,752,257,888.69
  5. Step 5: Solve for x
    x = 510,591,752,257,888.69/27,148,561.29
  6. Step 6: Final answer
    x = 18,807,322.67

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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.