Home / 15,415,020.90-21,270,025.13-8,796,587.55

Finding the Fourth Proportional to 15,415,020.90, 21,270,025.13 and 8,796,587.55

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Solution

The fourth proportional to 15,415,020.90, 21,270,025.13 and 8,796,587.55 is: 12,137,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415,020.90 : 21,270,025.13 = 8,796,587.55 : x
  2. Step 2: Convert to fraction form
    15,415,020.90/21,270,025.13 = 8,796,587.55/x
  3. Step 3: Cross multiply
    15,415,020.90x = 21,270,025.13 × 8,796,587.55
  4. Step 4: Simplify right side
    15,415,020.90x = 187,103,638,202,762.22
  5. Step 5: Solve for x
    x = 187,103,638,202,762.22/15,415,020.90
  6. Step 6: Final answer
    x = 12,137,747.94

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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.