Home / 30,353,422.91-45,507,695.72-15,759,388.76

Finding the Fourth Proportional to 30,353,422.91, 45,507,695.72 and 15,759,388.76

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Solution

The fourth proportional to 30,353,422.91, 45,507,695.72 and 15,759,388.76 is: 23,627,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353,422.91 : 45,507,695.72 = 15,759,388.76 : x
  2. Step 2: Convert to fraction form
    30,353,422.91/45,507,695.72 = 15,759,388.76/x
  3. Step 3: Cross multiply
    30,353,422.91x = 45,507,695.72 × 15,759,388.76
  4. Step 4: Simplify right side
    30,353,422.91x = 717,173,468,116,932.75
  5. Step 5: Solve for x
    x = 717,173,468,116,932.75/30,353,422.91
  6. Step 6: Final answer
    x = 23,627,433.07

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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.