Home / 28,184,425.45-42,283,354.89-9,990,210.71

Finding the Fourth Proportional to 28,184,425.45, 42,283,354.89 and 9,990,210.71

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Solution

The fourth proportional to 28,184,425.45, 42,283,354.89 and 9,990,210.71 is: 14,987,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184,425.45 : 42,283,354.89 = 9,990,210.71 : x
  2. Step 2: Convert to fraction form
    28,184,425.45/42,283,354.89 = 9,990,210.71/x
  3. Step 3: Cross multiply
    28,184,425.45x = 42,283,354.89 × 9,990,210.71
  4. Step 4: Simplify right side
    28,184,425.45x = 422,419,624,876,808.94
  5. Step 5: Solve for x
    x = 422,419,624,876,808.94/28,184,425.45
  6. Step 6: Final answer
    x = 14,987,696.86

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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.