Home / 31,829,126.12-47,709,697.36-18,152,824.08

Finding the Fourth Proportional to 31,829,126.12, 47,709,697.36 and 18,152,824.08

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Solution

The fourth proportional to 31,829,126.12, 47,709,697.36 and 18,152,824.08 is: 27,209,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,829,126.12 : 47,709,697.36 = 18,152,824.08 : x
  2. Step 2: Convert to fraction form
    31,829,126.12/47,709,697.36 = 18,152,824.08/x
  3. Step 3: Cross multiply
    31,829,126.12x = 47,709,697.36 × 18,152,824.08
  4. Step 4: Simplify right side
    31,829,126.12x = 866,065,743,086,120.38
  5. Step 5: Solve for x
    x = 866,065,743,086,120.38/31,829,126.12
  6. Step 6: Final answer
    x = 27,209,849.87

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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.