Home / 21,623,931.90-29,841,037.65-11,834,370.36

Finding the Fourth Proportional to 21,623,931.90, 29,841,037.65 and 11,834,370.36

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Solution

The fourth proportional to 21,623,931.90, 29,841,037.65 and 11,834,370.36 is: 16,331,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623,931.90 : 29,841,037.65 = 11,834,370.36 : x
  2. Step 2: Convert to fraction form
    21,623,931.90/29,841,037.65 = 11,834,370.36/x
  3. Step 3: Cross multiply
    21,623,931.90x = 29,841,037.65 × 11,834,370.36
  4. Step 4: Simplify right side
    21,623,931.90x = 353,149,891,476,804
  5. Step 5: Solve for x
    x = 353,149,891,476,804/21,623,931.90
  6. Step 6: Final answer
    x = 16,331,437.46

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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.