Home / 31,136,765.45-42,968,479.79-17,007,963.59

Finding the Fourth Proportional to 31,136,765.45, 42,968,479.79 and 17,007,963.59

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Solution

The fourth proportional to 31,136,765.45, 42,968,479.79 and 17,007,963.59 is: 23,470,849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136,765.45 : 42,968,479.79 = 17,007,963.59 : x
  2. Step 2: Convert to fraction form
    31,136,765.45/42,968,479.79 = 17,007,963.59/x
  3. Step 3: Cross multiply
    31,136,765.45x = 42,968,479.79 × 17,007,963.59
  4. Step 4: Simplify right side
    31,136,765.45x = 730,806,339,935,912
  5. Step 5: Solve for x
    x = 730,806,339,935,912/31,136,765.45
  6. Step 6: Final answer
    x = 23,470,849.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.