Home / 15,309,500.17-21,127,109.10-8,433,982.23

Finding the Fourth Proportional to 15,309,500.17, 21,127,109.10 and 8,433,982.23

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Solution

The fourth proportional to 15,309,500.17, 21,127,109.10 and 8,433,982.23 is: 11,638,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309,500.17 : 21,127,109.10 = 8,433,982.23 : x
  2. Step 2: Convert to fraction form
    15,309,500.17/21,127,109.10 = 8,433,982.23/x
  3. Step 3: Cross multiply
    15,309,500.17x = 21,127,109.10 × 8,433,982.23
  4. Step 4: Simplify right side
    15,309,500.17x = 178,185,662,720,671.31
  5. Step 5: Solve for x
    x = 178,185,662,720,671.31/15,309,500.17
  6. Step 6: Final answer
    x = 11,638,894.85

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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.