Home / 31,433,919.71-47,150,891.79-14,141,926.72

Finding the Fourth Proportional to 31,433,919.71, 47,150,891.79 and 14,141,926.72

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Solution

The fourth proportional to 31,433,919.71, 47,150,891.79 and 14,141,926.72 is: 21,212,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433,919.71 : 47,150,891.79 = 14,141,926.72 : x
  2. Step 2: Convert to fraction form
    31,433,919.71/47,150,891.79 = 14,141,926.72/x
  3. Step 3: Cross multiply
    31,433,919.71x = 47,150,891.79 × 14,141,926.72
  4. Step 4: Simplify right side
    31,433,919.71x = 666,804,456,170,365.50
  5. Step 5: Solve for x
    x = 666,804,456,170,365.50/31,433,919.71
  6. Step 6: Final answer
    x = 21,212,895.57

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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.