Home / 21,537,531.54-29,721,885.93-11,748,189.06

Finding the Fourth Proportional to 21,537,531.54, 29,721,885.93 and 11,748,189.06

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Solution

The fourth proportional to 21,537,531.54, 29,721,885.93 and 11,748,189.06 is: 16,212,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537,531.54 : 29,721,885.93 = 11,748,189.06 : x
  2. Step 2: Convert to fraction form
    21,537,531.54/29,721,885.93 = 11,748,189.06/x
  3. Step 3: Cross multiply
    21,537,531.54x = 29,721,885.93 × 11,748,189.06
  4. Step 4: Simplify right side
    21,537,531.54x = 349,178,335,125,393.94
  5. Step 5: Solve for x
    x = 349,178,335,125,393.94/21,537,531.54
  6. Step 6: Final answer
    x = 16,212,551.31

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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.