Home / 20,411,272.72-30,616,143.44-5,058,612.88

Finding the Fourth Proportional to 20,411,272.72, 30,616,143.44 and 5,058,612.88

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Solution

The fourth proportional to 20,411,272.72, 30,616,143.44 and 5,058,612.88 is: 7,587,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,411,272.72 : 30,616,143.44 = 5,058,612.88 : x
  2. Step 2: Convert to fraction form
    20,411,272.72/30,616,143.44 = 5,058,612.88/x
  3. Step 3: Cross multiply
    20,411,272.72x = 30,616,143.44 × 5,058,612.88
  4. Step 4: Simplify right side
    20,411,272.72x = 154,875,217,541,511.50
  5. Step 5: Solve for x
    x = 154,875,217,541,511.50/20,411,272.72
  6. Step 6: Final answer
    x = 7,587,729.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.