Home / 21,855,410.10-30,160,309.82-11,932,292.48

Finding the Fourth Proportional to 21,855,410.10, 30,160,309.82 and 11,932,292.48

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Solution

The fourth proportional to 21,855,410.10, 30,160,309.82 and 11,932,292.48 is: 16,466,478.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,855,410.10 : 30,160,309.82 = 11,932,292.48 : x
  2. Step 2: Convert to fraction form
    21,855,410.10/30,160,309.82 = 11,932,292.48/x
  3. Step 3: Cross multiply
    21,855,410.10x = 30,160,309.82 × 11,932,292.48
  4. Step 4: Simplify right side
    21,855,410.10x = 359,881,637,849,193.12
  5. Step 5: Solve for x
    x = 359,881,637,849,193.12/21,855,410.10
  6. Step 6: Final answer
    x = 16,466,478.38

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1.5x scale

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.