Home / 31,179,987.30-46,769,980.95-19,700,861.70

Finding the Fourth Proportional to 31,179,987.30, 46,769,980.95 and 19,700,861.70

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Solution

The fourth proportional to 31,179,987.30, 46,769,980.95 and 19,700,861.70 is: 29,551,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179,987.30 : 46,769,980.95 = 19,700,861.70 : x
  2. Step 2: Convert to fraction form
    31,179,987.30/46,769,980.95 = 19,700,861.70/x
  3. Step 3: Cross multiply
    31,179,987.30x = 46,769,980.95 × 19,700,861.70
  4. Step 4: Simplify right side
    31,179,987.30x = 921,408,926,407,584.62
  5. Step 5: Solve for x
    x = 921,408,926,407,584.62/31,179,987.30
  6. Step 6: Final answer
    x = 29,551,292.55

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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.