Home / 13,718,587.80-20,577,881.70-8,616,754.20

Finding the Fourth Proportional to 13,718,587.80, 20,577,881.70 and 8,616,754.20

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Solution

The fourth proportional to 13,718,587.80, 20,577,881.70 and 8,616,754.20 is: 12,925,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718,587.80 : 20,577,881.70 = 8,616,754.20 : x
  2. Step 2: Convert to fraction form
    13,718,587.80/20,577,881.70 = 8,616,754.20/x
  3. Step 3: Cross multiply
    13,718,587.80x = 20,577,881.70 × 8,616,754.20
  4. Step 4: Simplify right side
    13,718,587.80x = 177,314,548,565,578.12
  5. Step 5: Solve for x
    x = 177,314,548,565,578.12/13,718,587.80
  6. Step 6: Final answer
    x = 12,925,131.30

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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.