Home / 18,238,331.34-25,165,569.78-10,397,509.74

Finding the Fourth Proportional to 18,238,331.34, 25,165,569.78 and 10,397,509.74

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Solution

The fourth proportional to 18,238,331.34, 25,165,569.78 and 10,397,509.74 is: 14,346,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238,331.34 : 25,165,569.78 = 10,397,509.74 : x
  2. Step 2: Convert to fraction form
    18,238,331.34/25,165,569.78 = 10,397,509.74/x
  3. Step 3: Cross multiply
    18,238,331.34x = 25,165,569.78 × 10,397,509.74
  4. Step 4: Simplify right side
    18,238,331.34x = 261,659,256,900,199.69
  5. Step 5: Solve for x
    x = 261,659,256,900,199.69/18,238,331.34
  6. Step 6: Final answer
    x = 14,346,666.48

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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.