Home / 31,105,287.57-42,927,731.49-17,169,409.86

Finding the Fourth Proportional to 31,105,287.57, 42,927,731.49 and 17,169,409.86

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Solution

The fourth proportional to 31,105,287.57, 42,927,731.49 and 17,169,409.86 is: 23,695,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,105,287.57 : 42,927,731.49 = 17,169,409.86 : x
  2. Step 2: Convert to fraction form
    31,105,287.57/42,927,731.49 = 17,169,409.86/x
  3. Step 3: Cross multiply
    31,105,287.57x = 42,927,731.49 × 17,169,409.86
  4. Step 4: Simplify right side
    31,105,287.57x = 737,043,816,311,838.50
  5. Step 5: Solve for x
    x = 737,043,816,311,838.50/31,105,287.57
  6. Step 6: Final answer
    x = 23,695,129.47

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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.