Home / 9,107,742.77-12,568,655.59-4,977,773.70

Finding the Fourth Proportional to 9,107,742.77, 12,568,655.59 and 4,977,773.70

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Solution

The fourth proportional to 9,107,742.77, 12,568,655.59 and 4,977,773.70 is: 6,869,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107,742.77 : 12,568,655.59 = 4,977,773.70 : x
  2. Step 2: Convert to fraction form
    9,107,742.77/12,568,655.59 = 4,977,773.70/x
  3. Step 3: Cross multiply
    9,107,742.77x = 12,568,655.59 × 4,977,773.70
  4. Step 4: Simplify right side
    9,107,742.77x = 62,563,923,180,683.09
  5. Step 5: Solve for x
    x = 62,563,923,180,683.09/9,107,742.77
  6. Step 6: Final answer
    x = 6,869,311.61

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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.