Home / 13,088,560.32-18,022,154.40-13,050,768.96

Finding the Fourth Proportional to 13,088,560.32, 18,022,154.40 and 13,050,768.96

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Solution

The fourth proportional to 13,088,560.32, 18,022,154.40 and 13,050,768.96 is: 17,970,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088,560.32 : 18,022,154.40 = 13,050,768.96 : x
  2. Step 2: Convert to fraction form
    13,088,560.32/18,022,154.40 = 13,050,768.96/x
  3. Step 3: Cross multiply
    13,088,560.32x = 18,022,154.40 × 13,050,768.96
  4. Step 4: Simplify right side
    13,088,560.32x = 235,202,973,235,847.41
  5. Step 5: Solve for x
    x = 235,202,973,235,847.41/13,088,560.32
  6. Step 6: Final answer
    x = 17,970,117.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.