Home / 29,308,900.74-40,419,820.71-18,296,665.62

Finding the Fourth Proportional to 29,308,900.74, 40,419,820.71 and 18,296,665.62

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Solution

The fourth proportional to 29,308,900.74, 40,419,820.71 and 18,296,665.62 is: 25,232,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,308,900.74 : 40,419,820.71 = 18,296,665.62 : x
  2. Step 2: Convert to fraction form
    29,308,900.74/40,419,820.71 = 18,296,665.62/x
  3. Step 3: Cross multiply
    29,308,900.74x = 40,419,820.71 × 18,296,665.62
  4. Step 4: Simplify right side
    29,308,900.74x = 739,547,943,951,221
  5. Step 5: Solve for x
    x = 739,547,943,951,221/29,308,900.74
  6. Step 6: Final answer
    x = 25,232,878.93

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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.