Home / 8,990,991.50-12,407,315.94-4,916,523.02

Finding the Fourth Proportional to 8,990,991.50, 12,407,315.94 and 4,916,523.02

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Solution

The fourth proportional to 8,990,991.50, 12,407,315.94 and 4,916,523.02 is: 6,784,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,991.50 : 12,407,315.94 = 4,916,523.02 : x
  2. Step 2: Convert to fraction form
    8,990,991.50/12,407,315.94 = 4,916,523.02/x
  3. Step 3: Cross multiply
    8,990,991.50x = 12,407,315.94 × 4,916,523.02
  4. Step 4: Simplify right side
    8,990,991.50x = 61,000,854,373,386.35
  5. Step 5: Solve for x
    x = 61,000,854,373,386.35/8,990,991.50
  6. Step 6: Final answer
    x = 6,784,663.78

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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.