Home / 21,623,948.40-29,841,060.42-11,834,386.86

Finding the Fourth Proportional to 21,623,948.40, 29,841,060.42 and 11,834,386.86

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Solution

The fourth proportional to 21,623,948.40, 29,841,060.42 and 11,834,386.86 is: 16,331,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623,948.40 : 29,841,060.42 = 11,834,386.86 : x
  2. Step 2: Convert to fraction form
    21,623,948.40/29,841,060.42 = 11,834,386.86/x
  3. Step 3: Cross multiply
    21,623,948.40x = 29,841,060.42 × 11,834,386.86
  4. Step 4: Simplify right side
    21,623,948.40x = 353,150,653,322,914.06
  5. Step 5: Solve for x
    x = 353,150,653,322,914.06/21,623,948.40
  6. Step 6: Final answer
    x = 16,331,460.23

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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.