Home / 7,683,705.12-10,603,665.10-4,199,259.66

Finding the Fourth Proportional to 7,683,705.12, 10,603,665.10 and 4,199,259.66

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Solution

The fourth proportional to 7,683,705.12, 10,603,665.10 and 4,199,259.66 is: 5,795,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683,705.12 : 10,603,665.10 = 4,199,259.66 : x
  2. Step 2: Convert to fraction form
    7,683,705.12/10,603,665.10 = 4,199,259.66/x
  3. Step 3: Cross multiply
    7,683,705.12x = 10,603,665.10 × 4,199,259.66
  4. Step 4: Simplify right side
    7,683,705.12x = 44,527,543,102,579.87
  5. Step 5: Solve for x
    x = 44,527,543,102,579.87/7,683,705.12
  6. Step 6: Final answer
    x = 5,795,061.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.