Home / 17,115,742.78-23,616,234.39-10,143,347.02

Finding the Fourth Proportional to 17,115,742.78, 23,616,234.39 and 10,143,347.02

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Solution

The fourth proportional to 17,115,742.78, 23,616,234.39 and 10,143,347.02 is: 13,995,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115,742.78 : 23,616,234.39 = 10,143,347.02 : x
  2. Step 2: Convert to fraction form
    17,115,742.78/23,616,234.39 = 10,143,347.02/x
  3. Step 3: Cross multiply
    17,115,742.78x = 23,616,234.39 × 10,143,347.02
  4. Step 4: Simplify right side
    17,115,742.78x = 239,547,660,723,428
  5. Step 5: Solve for x
    x = 239,547,660,723,428/17,115,742.78
  6. Step 6: Final answer
    x = 13,995,750.22

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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.