Home / 15,981,749.30-22,060,811.52-10,475,478.80

Finding the Fourth Proportional to 15,981,749.30, 22,060,811.52 and 10,475,478.80

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Solution

The fourth proportional to 15,981,749.30, 22,060,811.52 and 10,475,478.80 is: 14,460,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981,749.30 : 22,060,811.52 = 10,475,478.80 : x
  2. Step 2: Convert to fraction form
    15,981,749.30/22,060,811.52 = 10,475,478.80/x
  3. Step 3: Cross multiply
    15,981,749.30x = 22,060,811.52 × 10,475,478.80
  4. Step 4: Simplify right side
    15,981,749.30x = 231,097,563,388,555.78
  5. Step 5: Solve for x
    x = 231,097,563,388,555.78/15,981,749.30
  6. Step 6: Final answer
    x = 14,460,091.89

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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.