Home / 31,054,117.02-42,852,932.70-17,115,429.90

Finding the Fourth Proportional to 31,054,117.02, 42,852,932.70 and 17,115,429.90

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Solution

The fourth proportional to 31,054,117.02, 42,852,932.70 and 17,115,429.90 is: 23,618,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,054,117.02 : 42,852,932.70 = 17,115,429.90 : x
  2. Step 2: Convert to fraction form
    31,054,117.02/42,852,932.70 = 17,115,429.90/x
  3. Step 3: Cross multiply
    31,054,117.02x = 42,852,932.70 × 17,115,429.90
  4. Step 4: Simplify right side
    31,054,117.02x = 733,446,365,636,267.75
  5. Step 5: Solve for x
    x = 733,446,365,636,267.75/31,054,117.02
  6. Step 6: Final answer
    x = 23,618,329.42

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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.