Home / 13,005,467.81-19,510,939.11-4,918,262.57

Finding the Fourth Proportional to 13,005,467.81, 19,510,939.11 and 4,918,262.57

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Solution

The fourth proportional to 13,005,467.81, 19,510,939.11 and 4,918,262.57 is: 7,378,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,467.81 : 19,510,939.11 = 4,918,262.57 : x
  2. Step 2: Convert to fraction form
    13,005,467.81/19,510,939.11 = 4,918,262.57/x
  3. Step 3: Cross multiply
    13,005,467.81x = 19,510,939.11 × 4,918,262.57
  4. Step 4: Simplify right side
    13,005,467.81x = 95,959,921,432,707.42
  5. Step 5: Solve for x
    x = 95,959,921,432,707.42/13,005,467.81
  6. Step 6: Final answer
    x = 7,378,429.05

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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.