Home / 13,047,305.89-18,005,324.21-7,246,087.63

Finding the Fourth Proportional to 13,047,305.89, 18,005,324.21 and 7,246,087.63

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Solution

The fourth proportional to 13,047,305.89, 18,005,324.21 and 7,246,087.63 is: 9,999,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,305.89 : 18,005,324.21 = 7,246,087.63 : x
  2. Step 2: Convert to fraction form
    13,047,305.89/18,005,324.21 = 7,246,087.63/x
  3. Step 3: Cross multiply
    13,047,305.89x = 18,005,324.21 × 7,246,087.63
  4. Step 4: Simplify right side
    13,047,305.89x = 130,468,157,032,220.53
  5. Step 5: Solve for x
    x = 130,468,157,032,220.53/13,047,305.89
  6. Step 6: Final answer
    x = 9,999,624.30

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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.