Home / 13,396,347.07-18,490,572.65-8,750,033.57

Finding the Fourth Proportional to 13,396,347.07, 18,490,572.65 and 8,750,033.57

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Solution

The fourth proportional to 13,396,347.07, 18,490,572.65 and 8,750,033.57 is: 12,077,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396,347.07 : 18,490,572.65 = 8,750,033.57 : x
  2. Step 2: Convert to fraction form
    13,396,347.07/18,490,572.65 = 8,750,033.57/x
  3. Step 3: Cross multiply
    13,396,347.07x = 18,490,572.65 × 8,750,033.57
  4. Step 4: Simplify right side
    13,396,347.07x = 161,793,131,416,023.84
  5. Step 5: Solve for x
    x = 161,793,131,416,023.84/13,396,347.07
  6. Step 6: Final answer
    x = 12,077,406.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.