Home / 12,343,113.96-18,515,888.83-4,255,024.81

Finding the Fourth Proportional to 12,343,113.96, 18,515,888.83 and 4,255,024.81

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Solution

The fourth proportional to 12,343,113.96, 18,515,888.83 and 4,255,024.81 is: 6,382,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343,113.96 : 18,515,888.83 = 4,255,024.81 : x
  2. Step 2: Convert to fraction form
    12,343,113.96/18,515,888.83 = 4,255,024.81/x
  3. Step 3: Cross multiply
    12,343,113.96x = 18,515,888.83 × 4,255,024.81
  4. Step 4: Simplify right side
    12,343,113.96x = 78,785,566,297,620.36
  5. Step 5: Solve for x
    x = 78,785,566,297,620.36/12,343,113.96
  6. Step 6: Final answer
    x = 6,382,957.05

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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.