Home / 18,685,038.08-25,785,316.74-10,424,608.82

Finding the Fourth Proportional to 18,685,038.08, 25,785,316.74 and 10,424,608.82

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Solution

The fourth proportional to 18,685,038.08, 25,785,316.74 and 10,424,608.82 is: 14,385,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685,038.08 : 25,785,316.74 = 10,424,608.82 : x
  2. Step 2: Convert to fraction form
    18,685,038.08/25,785,316.74 = 10,424,608.82/x
  3. Step 3: Cross multiply
    18,685,038.08x = 25,785,316.74 × 10,424,608.82
  4. Step 4: Simplify right side
    18,685,038.08x = 268,801,840,314,297.62
  5. Step 5: Solve for x
    x = 268,801,840,314,297.62/18,685,038.08
  6. Step 6: Final answer
    x = 14,385,940.19

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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.