Home / 13,479,719.40-20,219,579.10-7,496,087.40

Finding the Fourth Proportional to 13,479,719.40, 20,219,579.10 and 7,496,087.40

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Solution

The fourth proportional to 13,479,719.40, 20,219,579.10 and 7,496,087.40 is: 11,244,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,719.40 : 20,219,579.10 = 7,496,087.40 : x
  2. Step 2: Convert to fraction form
    13,479,719.40/20,219,579.10 = 7,496,087.40/x
  3. Step 3: Cross multiply
    13,479,719.40x = 20,219,579.10 × 7,496,087.40
  4. Step 4: Simplify right side
    13,479,719.40x = 151,567,732,124,813.34
  5. Step 5: Solve for x
    x = 151,567,732,124,813.34/13,479,719.40
  6. Step 6: Final answer
    x = 11,244,131.10

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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.