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Finding the Fourth Proportional to 13,608,507.60, 20,412,761.40 and 6,050,235.60

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Solution

The fourth proportional to 13,608,507.60, 20,412,761.40 and 6,050,235.60 is: 9,075,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,507.60 : 20,412,761.40 = 6,050,235.60 : x
  2. Step 2: Convert to fraction form
    13,608,507.60/20,412,761.40 = 6,050,235.60/x
  3. Step 3: Cross multiply
    13,608,507.60x = 20,412,761.40 × 6,050,235.60
  4. Step 4: Simplify right side
    13,608,507.60x = 123,502,015,716,585.83
  5. Step 5: Solve for x
    x = 123,502,015,716,585.83/13,608,507.60
  6. Step 6: Final answer
    x = 9,075,353.40

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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.