Home / 20,649,045.60-30,973,568.40-17,289,813.60

Finding the Fourth Proportional to 20,649,045.60, 30,973,568.40 and 17,289,813.60

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Solution

The fourth proportional to 20,649,045.60, 30,973,568.40 and 17,289,813.60 is: 25,934,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,649,045.60 : 30,973,568.40 = 17,289,813.60 : x
  2. Step 2: Convert to fraction form
    20,649,045.60/30,973,568.40 = 17,289,813.60/x
  3. Step 3: Cross multiply
    20,649,045.60x = 30,973,568.40 × 17,289,813.60
  4. Step 4: Simplify right side
    20,649,045.60x = 535,527,224,162,850.25
  5. Step 5: Solve for x
    x = 535,527,224,162,850.25/20,649,045.60
  6. Step 6: Final answer
    x = 25,934,720.40

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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.