Home / 15,330,517.93-21,157,386.60-8,805,406.60

Finding the Fourth Proportional to 15,330,517.93, 21,157,386.60 and 8,805,406.60

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Solution

The fourth proportional to 15,330,517.93, 21,157,386.60 and 8,805,406.60 is: 12,152,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330,517.93 : 21,157,386.60 = 8,805,406.60 : x
  2. Step 2: Convert to fraction form
    15,330,517.93/21,157,386.60 = 8,805,406.60/x
  3. Step 3: Cross multiply
    15,330,517.93x = 21,157,386.60 × 8,805,406.60
  4. Step 4: Simplify right side
    15,330,517.93x = 186,299,391,606,391.56
  5. Step 5: Solve for x
    x = 186,299,391,606,391.56/15,330,517.93
  6. Step 6: Final answer
    x = 12,152,191.63

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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.