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Finding the Fourth Proportional to 8,184,803.70, 12,277,205.55 and 6,377,904.30

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Solution

The fourth proportional to 8,184,803.70, 12,277,205.55 and 6,377,904.30 is: 9,566,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184,803.70 : 12,277,205.55 = 6,377,904.30 : x
  2. Step 2: Convert to fraction form
    8,184,803.70/12,277,205.55 = 6,377,904.30/x
  3. Step 3: Cross multiply
    8,184,803.70x = 12,277,205.55 × 6,377,904.30
  4. Step 4: Simplify right side
    8,184,803.70x = 78,302,842,069,328.88
  5. Step 5: Solve for x
    x = 78,302,842,069,328.88/8,184,803.70
  6. Step 6: Final answer
    x = 9,566,856.45

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Similar ratio
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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.