Home / 21,108,747.06-29,130,127.02-11,450,955.06

Finding the Fourth Proportional to 21,108,747.06, 29,130,127.02 and 11,450,955.06

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Solution

The fourth proportional to 21,108,747.06, 29,130,127.02 and 11,450,955.06 is: 15,802,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,108,747.06 : 29,130,127.02 = 11,450,955.06 : x
  2. Step 2: Convert to fraction form
    21,108,747.06/29,130,127.02 = 11,450,955.06/x
  3. Step 3: Cross multiply
    21,108,747.06x = 29,130,127.02 × 11,450,955.06
  4. Step 4: Simplify right side
    21,108,747.06x = 333,567,775,398,111.75
  5. Step 5: Solve for x
    x = 333,567,775,398,111.75/21,108,747.06
  6. Step 6: Final answer
    x = 15,802,348.40

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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.