Home / 8,649,860.20-11,937,318.50-4,978,685.45

Finding the Fourth Proportional to 8,649,860.20, 11,937,318.50 and 4,978,685.45

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Solution

The fourth proportional to 8,649,860.20, 11,937,318.50 and 4,978,685.45 is: 6,870,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649,860.20 : 11,937,318.50 = 4,978,685.45 : x
  2. Step 2: Convert to fraction form
    8,649,860.20/11,937,318.50 = 4,978,685.45/x
  3. Step 3: Cross multiply
    8,649,860.20x = 11,937,318.50 × 4,978,685.45
  4. Step 4: Simplify right side
    8,649,860.20x = 59,432,153,970,255.83
  5. Step 5: Solve for x
    x = 59,432,153,970,255.83/8,649,860.20
  6. Step 6: Final answer
    x = 6,870,880.29

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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.