Home / 31,651,837.94-47,471,113.78-8,927,420.78

Finding the Fourth Proportional to 31,651,837.94, 47,471,113.78 and 8,927,420.78

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Solution

The fourth proportional to 31,651,837.94, 47,471,113.78 and 8,927,420.78 is: 13,389,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,651,837.94 : 47,471,113.78 = 8,927,420.78 : x
  2. Step 2: Convert to fraction form
    31,651,837.94/47,471,113.78 = 8,927,420.78/x
  3. Step 3: Cross multiply
    31,651,837.94x = 47,471,113.78 × 8,927,420.78
  4. Step 4: Simplify right side
    31,651,837.94x = 423,794,607,609,316.31
  5. Step 5: Solve for x
    x = 423,794,607,609,316.31/31,651,837.94
  6. Step 6: Final answer
    x = 13,389,257.47

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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.