Home / 21,022,101.31-29,010,580.01-11,730,063.02

Finding the Fourth Proportional to 21,022,101.31, 29,010,580.01 and 11,730,063.02

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Solution

The fourth proportional to 21,022,101.31, 29,010,580.01 and 11,730,063.02 is: 16,187,531.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022,101.31 : 29,010,580.01 = 11,730,063.02 : x
  2. Step 2: Convert to fraction form
    21,022,101.31/29,010,580.01 = 11,730,063.02/x
  3. Step 3: Cross multiply
    21,022,101.31x = 29,010,580.01 × 11,730,063.02
  4. Step 4: Simplify right side
    21,022,101.31x = 340,295,931,865,903.88
  5. Step 5: Solve for x
    x = 340,295,931,865,903.88/21,022,101.31
  6. Step 6: Final answer
    x = 16,187,531.72

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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.