Home / 13,037,489.20-19,556,233.80-12,484,615.60

Finding the Fourth Proportional to 13,037,489.20, 19,556,233.80 and 12,484,615.60

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Solution

The fourth proportional to 13,037,489.20, 19,556,233.80 and 12,484,615.60 is: 18,726,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037,489.20 : 19,556,233.80 = 12,484,615.60 : x
  2. Step 2: Convert to fraction form
    13,037,489.20/19,556,233.80 = 12,484,615.60/x
  3. Step 3: Cross multiply
    13,037,489.20x = 19,556,233.80 × 12,484,615.60
  4. Step 4: Simplify right side
    13,037,489.20x = 244,152,061,576,727.28
  5. Step 5: Solve for x
    x = 244,152,061,576,727.28/13,037,489.20
  6. Step 6: Final answer
    x = 18,726,923.40

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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.