Home / 21,410,680.51-29,545,947.50-11,620,916.04

Finding the Fourth Proportional to 21,410,680.51, 29,545,947.50 and 11,620,916.04

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Solution

The fourth proportional to 21,410,680.51, 29,545,947.50 and 11,620,916.04 is: 16,036,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,680.51 : 29,545,947.50 = 11,620,916.04 : x
  2. Step 2: Convert to fraction form
    21,410,680.51/29,545,947.50 = 11,620,916.04/x
  3. Step 3: Cross multiply
    21,410,680.51x = 29,545,947.50 × 11,620,916.04
  4. Step 4: Simplify right side
    21,410,680.51x = 343,350,975,248,800.19
  5. Step 5: Solve for x
    x = 343,350,975,248,800.19/21,410,680.51
  6. Step 6: Final answer
    x = 16,036,434.49

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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.