Home / 13,301,549.84-18,356,222.76-7,189,963.76

Finding the Fourth Proportional to 13,301,549.84, 18,356,222.76 and 7,189,963.76

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Solution

The fourth proportional to 13,301,549.84, 18,356,222.76 and 7,189,963.76 is: 9,922,195.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,549.84 : 18,356,222.76 = 7,189,963.76 : x
  2. Step 2: Convert to fraction form
    13,301,549.84/18,356,222.76 = 7,189,963.76/x
  3. Step 3: Cross multiply
    13,301,549.84x = 18,356,222.76 × 7,189,963.76
  4. Step 4: Simplify right side
    13,301,549.84x = 131,980,576,414,887.19
  5. Step 5: Solve for x
    x = 131,980,576,414,887.19/13,301,549.84
  6. Step 6: Final answer
    x = 9,922,195.38

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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.