Home / 22,649,900.16-31,257,642.10-12,860,020.66

Finding the Fourth Proportional to 22,649,900.16, 31,257,642.10 and 12,860,020.66

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Solution

The fourth proportional to 22,649,900.16, 31,257,642.10 and 12,860,020.66 is: 17,747,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,649,900.16 : 31,257,642.10 = 12,860,020.66 : x
  2. Step 2: Convert to fraction form
    22,649,900.16/31,257,642.10 = 12,860,020.66/x
  3. Step 3: Cross multiply
    22,649,900.16x = 31,257,642.10 × 12,860,020.66
  4. Step 4: Simplify right side
    22,649,900.16x = 401,973,923,188,885.81
  5. Step 5: Solve for x
    x = 401,973,923,188,885.81/22,649,900.16
  6. Step 6: Final answer
    x = 17,747,271.31

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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.