Home / 13,124,396.20-19,687,540.21-5,037,371.84

Finding the Fourth Proportional to 13,124,396.20, 19,687,540.21 and 5,037,371.84

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Solution

The fourth proportional to 13,124,396.20, 19,687,540.21 and 5,037,371.84 is: 7,556,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,396.20 : 19,687,540.21 = 5,037,371.84 : x
  2. Step 2: Convert to fraction form
    13,124,396.20/19,687,540.21 = 5,037,371.84/x
  3. Step 3: Cross multiply
    13,124,396.20x = 19,687,540.21 × 5,037,371.84
  4. Step 4: Simplify right side
    13,124,396.20x = 99,173,460,549,551.83
  5. Step 5: Solve for x
    x = 99,173,460,549,551.83/13,124,396.20
  6. Step 6: Final answer
    x = 7,556,420.81

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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.