Home / 22,556,989.91-31,127,840.60-12,767,223.85

Finding the Fourth Proportional to 22,556,989.91, 31,127,840.60 and 12,767,223.85

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Solution

The fourth proportional to 22,556,989.91, 31,127,840.60 and 12,767,223.85 is: 17,618,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556,989.91 : 31,127,840.60 = 12,767,223.85 : x
  2. Step 2: Convert to fraction form
    22,556,989.91/31,127,840.60 = 12,767,223.85/x
  3. Step 3: Cross multiply
    22,556,989.91x = 31,127,840.60 × 12,767,223.85
  4. Step 4: Simplify right side
    22,556,989.91x = 397,416,108,875,400.25
  5. Step 5: Solve for x
    x = 397,416,108,875,400.25/22,556,989.91
  6. Step 6: Final answer
    x = 17,618,313.01

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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.