Home / 21,827,430.33-30,121,883.73-11,904,337.01

Finding the Fourth Proportional to 21,827,430.33, 30,121,883.73 and 11,904,337.01

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Solution

The fourth proportional to 21,827,430.33, 30,121,883.73 and 11,904,337.01 is: 16,428,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827,430.33 : 30,121,883.73 = 11,904,337.01 : x
  2. Step 2: Convert to fraction form
    21,827,430.33/30,121,883.73 = 11,904,337.01/x
  3. Step 3: Cross multiply
    21,827,430.33x = 30,121,883.73 × 11,904,337.01
  4. Step 4: Simplify right side
    21,827,430.33x = 358,581,055,297,955.88
  5. Step 5: Solve for x
    x = 358,581,055,297,955.88/21,827,430.33
  6. Step 6: Final answer
    x = 16,428,001.37

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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.