Home / 22,502,558.88-31,053,680.34-12,189,281.88

Finding the Fourth Proportional to 22,502,558.88, 31,053,680.34 and 12,189,281.88

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Solution

The fourth proportional to 22,502,558.88, 31,053,680.34 and 12,189,281.88 is: 16,821,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,502,558.88 : 31,053,680.34 = 12,189,281.88 : x
  2. Step 2: Convert to fraction form
    22,502,558.88/31,053,680.34 = 12,189,281.88/x
  3. Step 3: Cross multiply
    22,502,558.88x = 31,053,680.34 × 12,189,281.88
  4. Step 4: Simplify right side
    22,502,558.88x = 378,522,063,075,674.25
  5. Step 5: Solve for x
    x = 378,522,063,075,674.25/22,502,558.88
  6. Step 6: Final answer
    x = 16,821,289.75

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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.