Home / 15,157,403.74-20,917,196.51-8,631,033.18

Finding the Fourth Proportional to 15,157,403.74, 20,917,196.51 and 8,631,033.18

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Solution

The fourth proportional to 15,157,403.74, 20,917,196.51 and 8,631,033.18 is: 11,910,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157,403.74 : 20,917,196.51 = 8,631,033.18 : x
  2. Step 2: Convert to fraction form
    15,157,403.74/20,917,196.51 = 8,631,033.18/x
  3. Step 3: Cross multiply
    15,157,403.74x = 20,917,196.51 × 8,631,033.18
  4. Step 4: Simplify right side
    15,157,403.74x = 180,537,017,110,390.22
  5. Step 5: Solve for x
    x = 180,537,017,110,390.22/15,157,403.74
  6. Step 6: Final answer
    x = 11,910,814.03

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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.