Home / 12,186,689.86-16,807,825.97-10,713,448.49

Finding the Fourth Proportional to 12,186,689.86, 16,807,825.97 and 10,713,448.49

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Solution

The fourth proportional to 12,186,689.86, 16,807,825.97 and 10,713,448.49 is: 14,775,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,689.86 : 16,807,825.97 = 10,713,448.49 : x
  2. Step 2: Convert to fraction form
    12,186,689.86/16,807,825.97 = 10,713,448.49/x
  3. Step 3: Cross multiply
    12,186,689.86x = 16,807,825.97 × 10,713,448.49
  4. Step 4: Simplify right side
    12,186,689.86x = 180,069,777,758,479.28
  5. Step 5: Solve for x
    x = 180,069,777,758,479.28/12,186,689.86
  6. Step 6: Final answer
    x = 14,775,938.33

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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.