Home / 30,807,073.92-42,514,907.34-17,578,404.60

Finding the Fourth Proportional to 30,807,073.92, 42,514,907.34 and 17,578,404.60

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Solution

The fourth proportional to 30,807,073.92, 42,514,907.34 and 17,578,404.60 is: 24,258,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,807,073.92 : 42,514,907.34 = 17,578,404.60 : x
  2. Step 2: Convert to fraction form
    30,807,073.92/42,514,907.34 = 17,578,404.60/x
  3. Step 3: Cross multiply
    30,807,073.92x = 42,514,907.34 × 17,578,404.60
  4. Step 4: Simplify right side
    30,807,073.92x = 747,344,242,754,029.88
  5. Step 5: Solve for x
    x = 747,344,242,754,029.88/30,807,073.92
  6. Step 6: Final answer
    x = 24,258,851.87

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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.