Home / 12,343,869-17,034,715.08-7,116,773.76

Finding the Fourth Proportional to 12,343,869, 17,034,715.08 and 7,116,773.76

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Solution

The fourth proportional to 12,343,869, 17,034,715.08 and 7,116,773.76 is: 9,821,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343,869 : 17,034,715.08 = 7,116,773.76 : x
  2. Step 2: Convert to fraction form
    12,343,869/17,034,715.08 = 7,116,773.76/x
  3. Step 3: Cross multiply
    12,343,869x = 17,034,715.08 × 7,116,773.76
  4. Step 4: Simplify right side
    12,343,869x = 121,232,213,290,420.28
  5. Step 5: Solve for x
    x = 121,232,213,290,420.28/12,343,869
  6. Step 6: Final answer
    x = 9,821,249.18

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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.