Home / 14,008,168.54-21,018,637.30-7,189,530.10

Finding the Fourth Proportional to 14,008,168.54, 21,018,637.30 and 7,189,530.10

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Solution

The fourth proportional to 14,008,168.54, 21,018,637.30 and 7,189,530.10 is: 10,787,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008,168.54 : 21,018,637.30 = 7,189,530.10 : x
  2. Step 2: Convert to fraction form
    14,008,168.54/21,018,637.30 = 7,189,530.10/x
  3. Step 3: Cross multiply
    14,008,168.54x = 21,018,637.30 × 7,189,530.10
  4. Step 4: Simplify right side
    14,008,168.54x = 151,114,125,512,046.34
  5. Step 5: Solve for x
    x = 151,114,125,512,046.34/14,008,168.54
  6. Step 6: Final answer
    x = 10,787,571.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.