Home / 28,469,406.58-42,695,277.72-10,271,236.12

Finding the Fourth Proportional to 28,469,406.58, 42,695,277.72 and 10,271,236.12

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Solution

The fourth proportional to 28,469,406.58, 42,695,277.72 and 10,271,236.12 is: 15,403,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469,406.58 : 42,695,277.72 = 10,271,236.12 : x
  2. Step 2: Convert to fraction form
    28,469,406.58/42,695,277.72 = 10,271,236.12/x
  3. Step 3: Cross multiply
    28,469,406.58x = 42,695,277.72 × 10,271,236.12
  4. Step 4: Simplify right side
    28,469,406.58x = 438,533,278,671,095.19
  5. Step 5: Solve for x
    x = 438,533,278,671,095.19/28,469,406.58
  6. Step 6: Final answer
    x = 15,403,667.70

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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.