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Finding the Fourth Proportional to 8,990,939.04, 12,408,632.15 and 5,896,066.13

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Solution

The fourth proportional to 8,990,939.04, 12,408,632.15 and 5,896,066.13 is: 8,137,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,939.04 : 12,408,632.15 = 5,896,066.13 : x
  2. Step 2: Convert to fraction form
    8,990,939.04/12,408,632.15 = 5,896,066.13/x
  3. Step 3: Cross multiply
    8,990,939.04x = 12,408,632.15 × 5,896,066.13
  4. Step 4: Simplify right side
    8,990,939.04x = 73,162,115,722,962.67
  5. Step 5: Solve for x
    x = 73,162,115,722,962.67/8,990,939.04
  6. Step 6: Final answer
    x = 8,137,316.41

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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.