Home / 8,438,451.21-11,645,118.57-4,570,972.33

Finding the Fourth Proportional to 8,438,451.21, 11,645,118.57 and 4,570,972.33

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Solution

The fourth proportional to 8,438,451.21, 11,645,118.57 and 4,570,972.33 is: 6,307,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438,451.21 : 11,645,118.57 = 4,570,972.33 : x
  2. Step 2: Convert to fraction form
    8,438,451.21/11,645,118.57 = 4,570,972.33/x
  3. Step 3: Cross multiply
    8,438,451.21x = 11,645,118.57 × 4,570,972.33
  4. Step 4: Simplify right side
    8,438,451.21x = 53,229,514,763,039.17
  5. Step 5: Solve for x
    x = 53,229,514,763,039.17/8,438,451.21
  6. Step 6: Final answer
    x = 6,307,972.10

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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.