Home / 21,559,938.80-32,339,908.20-13,907,188.40

Finding the Fourth Proportional to 21,559,938.80, 32,339,908.20 and 13,907,188.40

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Solution

The fourth proportional to 21,559,938.80, 32,339,908.20 and 13,907,188.40 is: 20,860,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,938.80 : 32,339,908.20 = 13,907,188.40 : x
  2. Step 2: Convert to fraction form
    21,559,938.80/32,339,908.20 = 13,907,188.40/x
  3. Step 3: Cross multiply
    21,559,938.80x = 32,339,908.20 × 13,907,188.40
  4. Step 4: Simplify right side
    21,559,938.80x = 449,757,196,176,104.88
  5. Step 5: Solve for x
    x = 449,757,196,176,104.88/21,559,938.80
  6. Step 6: Final answer
    x = 20,860,782.60

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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.