Home / 13,269,124.52-18,304,368.86-9,131,973.14

Finding the Fourth Proportional to 13,269,124.52, 18,304,368.86 and 9,131,973.14

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Solution

The fourth proportional to 13,269,124.52, 18,304,368.86 and 9,131,973.14 is: 12,597,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,124.52 : 18,304,368.86 = 9,131,973.14 : x
  2. Step 2: Convert to fraction form
    13,269,124.52/18,304,368.86 = 9,131,973.14/x
  3. Step 3: Cross multiply
    13,269,124.52x = 18,304,368.86 × 9,131,973.14
  4. Step 4: Simplify right side
    13,269,124.52x = 167,155,004,705,480.50
  5. Step 5: Solve for x
    x = 167,155,004,705,480.50/13,269,124.52
  6. Step 6: Final answer
    x = 12,597,289.63

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1.5x scale

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.