Home / 14,572,003.20-21,872,001.60-7,391,644.80

Finding the Fourth Proportional to 14,572,003.20, 21,872,001.60 and 7,391,644.80

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Solution

The fourth proportional to 14,572,003.20, 21,872,001.60 and 7,391,644.80 is: 11,094,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572,003.20 : 21,872,001.60 = 7,391,644.80 : x
  2. Step 2: Convert to fraction form
    14,572,003.20/21,872,001.60 = 7,391,644.80/x
  3. Step 3: Cross multiply
    14,572,003.20x = 21,872,001.60 × 7,391,644.80
  4. Step 4: Simplify right side
    14,572,003.20x = 161,670,066,892,231.69
  5. Step 5: Solve for x
    x = 161,670,066,892,231.69/14,572,003.20
  6. Step 6: Final answer
    x = 11,094,567.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.