Home / 12,798,463.48-19,202,530.20-7,684,459.22

Finding the Fourth Proportional to 12,798,463.48, 19,202,530.20 and 7,684,459.22

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Solution

The fourth proportional to 12,798,463.48, 19,202,530.20 and 7,684,459.22 is: 11,529,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,463.48 : 19,202,530.20 = 7,684,459.22 : x
  2. Step 2: Convert to fraction form
    12,798,463.48/19,202,530.20 = 7,684,459.22/x
  3. Step 3: Cross multiply
    12,798,463.48x = 19,202,530.20 × 7,684,459.22
  4. Step 4: Simplify right side
    12,798,463.48x = 147,561,060,242,718.44
  5. Step 5: Solve for x
    x = 147,561,060,242,718.44/12,798,463.48
  6. Step 6: Final answer
    x = 11,529,591.85

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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.