Home / 13,612,208.60-20,418,312.90-12,352,496.60

Finding the Fourth Proportional to 13,612,208.60, 20,418,312.90 and 12,352,496.60

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Solution

The fourth proportional to 13,612,208.60, 20,418,312.90 and 12,352,496.60 is: 18,528,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,208.60 : 20,418,312.90 = 12,352,496.60 : x
  2. Step 2: Convert to fraction form
    13,612,208.60/20,418,312.90 = 12,352,496.60/x
  3. Step 3: Cross multiply
    13,612,208.60x = 20,418,312.90 × 12,352,496.60
  4. Step 4: Simplify right side
    13,612,208.60x = 252,217,140,674,986.12
  5. Step 5: Solve for x
    x = 252,217,140,674,986.12/13,612,208.60
  6. Step 6: Final answer
    x = 18,528,744.90

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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.