Home / 8,944,665.72-13,400,071.20-5,290,451.16

Finding the Fourth Proportional to 8,944,665.72, 13,400,071.20 and 5,290,451.16

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Solution

The fourth proportional to 8,944,665.72, 13,400,071.20 and 5,290,451.16 is: 7,925,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944,665.72 : 13,400,071.20 = 5,290,451.16 : x
  2. Step 2: Convert to fraction form
    8,944,665.72/13,400,071.20 = 5,290,451.16/x
  3. Step 3: Cross multiply
    8,944,665.72x = 13,400,071.20 × 5,290,451.16
  4. Step 4: Simplify right side
    8,944,665.72x = 70,892,422,224,122.59
  5. Step 5: Solve for x
    x = 70,892,422,224,122.59/8,944,665.72
  6. Step 6: Final answer
    x = 7,925,664.80

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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.