Home / 22,649,898.16-31,257,639.35-12,860,018.65

Finding the Fourth Proportional to 22,649,898.16, 31,257,639.35 and 12,860,018.65

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Solution

The fourth proportional to 22,649,898.16, 31,257,639.35 and 12,860,018.65 is: 17,747,268.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,649,898.16 : 31,257,639.35 = 12,860,018.65 : x
  2. Step 2: Convert to fraction form
    22,649,898.16/31,257,639.35 = 12,860,018.65/x
  3. Step 3: Cross multiply
    22,649,898.16x = 31,257,639.35 × 12,860,018.65
  4. Step 4: Simplify right side
    22,649,898.16x = 401,973,824,995,973.94
  5. Step 5: Solve for x
    x = 401,973,824,995,973.94/22,649,898.16
  6. Step 6: Final answer
    x = 17,747,268.54

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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.