Home / 31,554,389.44-47,358,441.60-12,398,541.76

Finding the Fourth Proportional to 31,554,389.44, 47,358,441.60 and 12,398,541.76

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Solution

The fourth proportional to 31,554,389.44, 47,358,441.60 and 12,398,541.76 is: 18,608,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,554,389.44 : 47,358,441.60 = 12,398,541.76 : x
  2. Step 2: Convert to fraction form
    31,554,389.44/47,358,441.60 = 12,398,541.76/x
  3. Step 3: Cross multiply
    31,554,389.44x = 47,358,441.60 × 12,398,541.76
  4. Step 4: Simplify right side
    31,554,389.44x = 587,175,615,866,121.25
  5. Step 5: Solve for x
    x = 587,175,615,866,121.25/31,554,389.44
  6. Step 6: Final answer
    x = 18,608,365.63

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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.