Home / 21,726,588.69-29,970,223.36-13,563,654.93

Finding the Fourth Proportional to 21,726,588.69, 29,970,223.36 and 13,563,654.93

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Solution

The fourth proportional to 21,726,588.69, 29,970,223.36 and 13,563,654.93 is: 18,710,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726,588.69 : 29,970,223.36 = 13,563,654.93 : x
  2. Step 2: Convert to fraction form
    21,726,588.69/29,970,223.36 = 13,563,654.93/x
  3. Step 3: Cross multiply
    21,726,588.69x = 29,970,223.36 × 13,563,654.93
  4. Step 4: Simplify right side
    21,726,588.69x = 406,505,767,796,156.06
  5. Step 5: Solve for x
    x = 406,505,767,796,156.06/21,726,588.69
  6. Step 6: Final answer
    x = 18,710,059.53

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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.