Home / 31,136,435.64-42,968,357.15-17,385,891.84

Finding the Fourth Proportional to 31,136,435.64, 42,968,357.15 and 17,385,891.84

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Solution

The fourth proportional to 31,136,435.64, 42,968,357.15 and 17,385,891.84 is: 23,992,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136,435.64 : 42,968,357.15 = 17,385,891.84 : x
  2. Step 2: Convert to fraction form
    31,136,435.64/42,968,357.15 = 17,385,891.84/x
  3. Step 3: Cross multiply
    31,136,435.64x = 42,968,357.15 × 17,385,891.84
  4. Step 4: Simplify right side
    31,136,435.64x = 747,043,209,865,461.25
  5. Step 5: Solve for x
    x = 747,043,209,865,461.25/31,136,435.64
  6. Step 6: Final answer
    x = 23,992,573.15

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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.