Home / 13,902,975.20-20,854,462.80-12,895,205.60

Finding the Fourth Proportional to 13,902,975.20, 20,854,462.80 and 12,895,205.60

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Solution

The fourth proportional to 13,902,975.20, 20,854,462.80 and 12,895,205.60 is: 19,342,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,975.20 : 20,854,462.80 = 12,895,205.60 : x
  2. Step 2: Convert to fraction form
    13,902,975.20/20,854,462.80 = 12,895,205.60/x
  3. Step 3: Cross multiply
    13,902,975.20x = 20,854,462.80 × 12,895,205.60
  4. Step 4: Simplify right side
    13,902,975.20x = 268,922,585,483,551.69
  5. Step 5: Solve for x
    x = 268,922,585,483,551.69/13,902,975.20
  6. Step 6: Final answer
    x = 19,342,808.40

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1.5x scale

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.