Home / 10,578,051.90-15,867,077.85-9,940,322.70

Finding the Fourth Proportional to 10,578,051.90, 15,867,077.85 and 9,940,322.70

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Solution

The fourth proportional to 10,578,051.90, 15,867,077.85 and 9,940,322.70 is: 14,910,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578,051.90 : 15,867,077.85 = 9,940,322.70 : x
  2. Step 2: Convert to fraction form
    10,578,051.90/15,867,077.85 = 9,940,322.70/x
  3. Step 3: Cross multiply
    10,578,051.90x = 15,867,077.85 × 9,940,322.70
  4. Step 4: Simplify right side
    10,578,051.90x = 157,723,874,135,022.19
  5. Step 5: Solve for x
    x = 157,723,874,135,022.19/10,578,051.90
  6. Step 6: Final answer
    x = 14,910,484.05

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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.