Home / 10,138,339.80-15,210,904.86-3,315,227.64

Finding the Fourth Proportional to 10,138,339.80, 15,210,904.86 and 3,315,227.64

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Solution

The fourth proportional to 10,138,339.80, 15,210,904.86 and 3,315,227.64 is: 4,973,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138,339.80 : 15,210,904.86 = 3,315,227.64 : x
  2. Step 2: Convert to fraction form
    10,138,339.80/15,210,904.86 = 3,315,227.64/x
  3. Step 3: Cross multiply
    10,138,339.80x = 15,210,904.86 × 3,315,227.64
  4. Step 4: Simplify right side
    10,138,339.80x = 50,427,612,221,282.33
  5. Step 5: Solve for x
    x = 50,427,612,221,282.33/10,138,339.80
  6. Step 6: Final answer
    x = 4,973,951.67

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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.