Home / 13,681,932.86-18,880,776.32-7,486,954.86

Finding the Fourth Proportional to 13,681,932.86, 18,880,776.32 and 7,486,954.86

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Solution

The fourth proportional to 13,681,932.86, 18,880,776.32 and 7,486,954.86 is: 10,331,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681,932.86 : 18,880,776.32 = 7,486,954.86 : x
  2. Step 2: Convert to fraction form
    13,681,932.86/18,880,776.32 = 7,486,954.86/x
  3. Step 3: Cross multiply
    13,681,932.86x = 18,880,776.32 × 7,486,954.86
  4. Step 4: Simplify right side
    13,681,932.86x = 141,359,520,029,596.94
  5. Step 5: Solve for x
    x = 141,359,520,029,596.94/13,681,932.86
  6. Step 6: Final answer
    x = 10,331,838.45

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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.