Home / 15,152,217.05-20,910,058.72-8,182,893.92

Finding the Fourth Proportional to 15,152,217.05, 20,910,058.72 and 8,182,893.92

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Solution

The fourth proportional to 15,152,217.05, 20,910,058.72 and 8,182,893.92 is: 11,292,393.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152,217.05 : 20,910,058.72 = 8,182,893.92 : x
  2. Step 2: Convert to fraction form
    15,152,217.05/20,910,058.72 = 8,182,893.92/x
  3. Step 3: Cross multiply
    15,152,217.05x = 20,910,058.72 × 8,182,893.92
  4. Step 4: Simplify right side
    15,152,217.05x = 171,104,792,442,124.94
  5. Step 5: Solve for x
    x = 171,104,792,442,124.94/15,152,217.05
  6. Step 6: Final answer
    x = 11,292,393.18

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1.5x scale

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.