Home / 13,608,365.60-20,454,538.80-13,356,423.20

Finding the Fourth Proportional to 13,608,365.60, 20,454,538.80 and 13,356,423.20

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Solution

The fourth proportional to 13,608,365.60, 20,454,538.80 and 13,356,423.20 is: 20,075,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,365.60 : 20,454,538.80 = 13,356,423.20 : x
  2. Step 2: Convert to fraction form
    13,608,365.60/20,454,538.80 = 13,356,423.20/x
  3. Step 3: Cross multiply
    13,608,365.60x = 20,454,538.80 × 13,356,423.20
  4. Step 4: Simplify right side
    13,608,365.60x = 273,199,476,573,620.16
  5. Step 5: Solve for x
    x = 273,199,476,573,620.16/13,608,365.60
  6. Step 6: Final answer
    x = 20,075,847.80

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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.