Home / 8,190,603.70-12,285,905.55-6,596,280.70

Finding the Fourth Proportional to 8,190,603.70, 12,285,905.55 and 6,596,280.70

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Solution

The fourth proportional to 8,190,603.70, 12,285,905.55 and 6,596,280.70 is: 9,894,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,603.70 : 12,285,905.55 = 6,596,280.70 : x
  2. Step 2: Convert to fraction form
    8,190,603.70/12,285,905.55 = 6,596,280.70/x
  3. Step 3: Cross multiply
    8,190,603.70x = 12,285,905.55 × 6,596,280.70
  4. Step 4: Simplify right side
    8,190,603.70x = 81,041,281,661,487.89
  5. Step 5: Solve for x
    x = 81,041,281,661,487.89/8,190,603.70
  6. Step 6: Final answer
    x = 9,894,421.05

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Double scale
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Similar ratio
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1.5x scale

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.