Home / 12,186,690.86-16,807,827.35-10,713,449.49

Finding the Fourth Proportional to 12,186,690.86, 16,807,827.35 and 10,713,449.49

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Solution

The fourth proportional to 12,186,690.86, 16,807,827.35 and 10,713,449.49 is: 14,775,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,690.86 : 16,807,827.35 = 10,713,449.49 : x
  2. Step 2: Convert to fraction form
    12,186,690.86/16,807,827.35 = 10,713,449.49/x
  3. Step 3: Cross multiply
    12,186,690.86x = 16,807,827.35 × 10,713,449.49
  4. Step 4: Simplify right side
    12,186,690.86x = 180,069,809,350,865.56
  5. Step 5: Solve for x
    x = 180,069,809,350,865.56/12,186,690.86
  6. Step 6: Final answer
    x = 14,775,939.71

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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.