Home / 15,196,441.74-20,971,123.46-8,227,192.74

Finding the Fourth Proportional to 15,196,441.74, 20,971,123.46 and 8,227,192.74

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Solution

The fourth proportional to 15,196,441.74, 20,971,123.46 and 8,227,192.74 is: 11,353,544.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,441.74 : 20,971,123.46 = 8,227,192.74 : x
  2. Step 2: Convert to fraction form
    15,196,441.74/20,971,123.46 = 8,227,192.74/x
  3. Step 3: Cross multiply
    15,196,441.74x = 20,971,123.46 × 8,227,192.74
  4. Step 4: Simplify right side
    15,196,441.74x = 172,533,474,638,619.72
  5. Step 5: Solve for x
    x = 172,533,474,638,619.72/15,196,441.74
  6. Step 6: Final answer
    x = 11,353,544.31

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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.