Home / 13,150,645.27-18,148,450.95-7,349,426.84

Finding the Fourth Proportional to 13,150,645.27, 18,148,450.95 and 7,349,426.84

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Solution

The fourth proportional to 13,150,645.27, 18,148,450.95 and 7,349,426.84 is: 10,142,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,645.27 : 18,148,450.95 = 7,349,426.84 : x
  2. Step 2: Convert to fraction form
    13,150,645.27/18,148,450.95 = 7,349,426.84/x
  3. Step 3: Cross multiply
    13,150,645.27x = 18,148,450.95 × 7,349,426.84
  4. Step 4: Simplify right side
    13,150,645.27x = 133,380,712,561,724.62
  5. Step 5: Solve for x
    x = 133,380,712,561,724.62/13,150,645.27
  6. Step 6: Final answer
    x = 10,142,522.28

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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.