Home / 5,384,984.70-8,077,477.05-5,172,408.30

Finding the Fourth Proportional to 5,384,984.70, 8,077,477.05 and 5,172,408.30

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Solution

The fourth proportional to 5,384,984.70, 8,077,477.05 and 5,172,408.30 is: 7,758,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,984.70 : 8,077,477.05 = 5,172,408.30 : x
  2. Step 2: Convert to fraction form
    5,384,984.70/8,077,477.05 = 5,172,408.30/x
  3. Step 3: Cross multiply
    5,384,984.70x = 8,077,477.05 × 5,172,408.30
  4. Step 4: Simplify right side
    5,384,984.70x = 41,780,009,336,479.52
  5. Step 5: Solve for x
    x = 41,780,009,336,479.52/5,384,984.70
  6. Step 6: Final answer
    x = 7,758,612.45

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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.