Home / 21,560,330.80-32,340,496.20-13,907,580.40

Finding the Fourth Proportional to 21,560,330.80, 32,340,496.20 and 13,907,580.40

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Solution

The fourth proportional to 21,560,330.80, 32,340,496.20 and 13,907,580.40 is: 20,861,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560,330.80 : 32,340,496.20 = 13,907,580.40 : x
  2. Step 2: Convert to fraction form
    21,560,330.80/32,340,496.20 = 13,907,580.40/x
  3. Step 3: Cross multiply
    21,560,330.80x = 32,340,496.20 × 13,907,580.40
  4. Step 4: Simplify right side
    21,560,330.80x = 449,778,051,077,394.50
  5. Step 5: Solve for x
    x = 449,778,051,077,394.50/21,560,330.80
  6. Step 6: Final answer
    x = 20,861,370.60

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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.