Home / 13,416,346.40-20,114,678.10-5,325,321.20

Finding the Fourth Proportional to 13,416,346.40, 20,114,678.10 and 5,325,321.20

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Solution

The fourth proportional to 13,416,346.40, 20,114,678.10 and 5,325,321.20 is: 7,984,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416,346.40 : 20,114,678.10 = 5,325,321.20 : x
  2. Step 2: Convert to fraction form
    13,416,346.40/20,114,678.10 = 5,325,321.20/x
  3. Step 3: Cross multiply
    13,416,346.40x = 20,114,678.10 × 5,325,321.20
  4. Step 4: Simplify right side
    13,416,346.40x = 107,117,121,717,105.73
  5. Step 5: Solve for x
    x = 107,117,121,717,105.73/13,416,346.40
  6. Step 6: Final answer
    x = 7,984,075.43

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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.