Home / 27,732,663.86-38,270,945.49-15,509,569.46

Finding the Fourth Proportional to 27,732,663.86, 38,270,945.49 and 15,509,569.46

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Solution

The fourth proportional to 27,732,663.86, 38,270,945.49 and 15,509,569.46 is: 21,403,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732,663.86 : 38,270,945.49 = 15,509,569.46 : x
  2. Step 2: Convert to fraction form
    27,732,663.86/38,270,945.49 = 15,509,569.46/x
  3. Step 3: Cross multiply
    27,732,663.86x = 38,270,945.49 × 15,509,569.46
  4. Step 4: Simplify right side
    27,732,663.86x = 593,565,887,377,028.75
  5. Step 5: Solve for x
    x = 593,565,887,377,028.75/27,732,663.86
  6. Step 6: Final answer
    x = 21,403,132.80

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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.