Home / 18,178,865.32-25,064,143.43-11,641,747.36

Finding the Fourth Proportional to 18,178,865.32, 25,064,143.43 and 11,641,747.36

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Solution

The fourth proportional to 18,178,865.32, 25,064,143.43 and 11,641,747.36 is: 16,051,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178,865.32 : 25,064,143.43 = 11,641,747.36 : x
  2. Step 2: Convert to fraction form
    18,178,865.32/25,064,143.43 = 11,641,747.36/x
  3. Step 3: Cross multiply
    18,178,865.32x = 25,064,143.43 × 11,641,747.36
  4. Step 4: Simplify right side
    18,178,865.32x = 291,790,425,606,863.81
  5. Step 5: Solve for x
    x = 291,790,425,606,863.81/18,178,865.32
  6. Step 6: Final answer
    x = 16,051,080.22

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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.