Home / 15,455,971.20-23,183,956.80-5,355,235.20

Finding the Fourth Proportional to 15,455,971.20, 23,183,956.80 and 5,355,235.20

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Solution

The fourth proportional to 15,455,971.20, 23,183,956.80 and 5,355,235.20 is: 8,032,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455,971.20 : 23,183,956.80 = 5,355,235.20 : x
  2. Step 2: Convert to fraction form
    15,455,971.20/23,183,956.80 = 5,355,235.20/x
  3. Step 3: Cross multiply
    15,455,971.20x = 23,183,956.80 × 5,355,235.20
  4. Step 4: Simplify right side
    15,455,971.20x = 124,155,541,530,639.38
  5. Step 5: Solve for x
    x = 124,155,541,530,639.38/15,455,971.20
  6. Step 6: Final answer
    x = 8,032,852.80

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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.