Home / 20,500,632.27-28,291,463.03-11,333,865.51

Finding the Fourth Proportional to 20,500,632.27, 28,291,463.03 and 11,333,865.51

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Solution

The fourth proportional to 20,500,632.27, 28,291,463.03 and 11,333,865.51 is: 15,641,060.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,500,632.27 : 28,291,463.03 = 11,333,865.51 : x
  2. Step 2: Convert to fraction form
    20,500,632.27/28,291,463.03 = 11,333,865.51/x
  3. Step 3: Cross multiply
    20,500,632.27x = 28,291,463.03 × 11,333,865.51
  4. Step 4: Simplify right side
    20,500,632.27x = 320,651,637,091,491.75
  5. Step 5: Solve for x
    x = 320,651,637,091,491.75/20,500,632.27
  6. Step 6: Final answer
    x = 15,641,060.86

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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.