Home / 15,178,849.19-20,946,839.45-8,303,331.26

Finding the Fourth Proportional to 15,178,849.19, 20,946,839.45 and 8,303,331.26

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Solution

The fourth proportional to 15,178,849.19, 20,946,839.45 and 8,303,331.26 is: 11,458,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178,849.19 : 20,946,839.45 = 8,303,331.26 : x
  2. Step 2: Convert to fraction form
    15,178,849.19/20,946,839.45 = 8,303,331.26/x
  3. Step 3: Cross multiply
    15,178,849.19x = 20,946,839.45 × 8,303,331.26
  4. Step 4: Simplify right side
    15,178,849.19x = 173,928,546,657,135.34
  5. Step 5: Solve for x
    x = 173,928,546,657,135.34/15,178,849.19
  6. Step 6: Final answer
    x = 11,458,612.21

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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.