Home / 13,246,186.20-19,869,279.30-12,462,365.40

Finding the Fourth Proportional to 13,246,186.20, 19,869,279.30 and 12,462,365.40

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Solution

The fourth proportional to 13,246,186.20, 19,869,279.30 and 12,462,365.40 is: 18,693,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246,186.20 : 19,869,279.30 = 12,462,365.40 : x
  2. Step 2: Convert to fraction form
    13,246,186.20/19,869,279.30 = 12,462,365.40/x
  3. Step 3: Cross multiply
    13,246,186.20x = 19,869,279.30 × 12,462,365.40
  4. Step 4: Simplify right side
    13,246,186.20x = 247,618,218,871,256.25
  5. Step 5: Solve for x
    x = 247,618,218,871,256.25/13,246,186.20
  6. Step 6: Final answer
    x = 18,693,548.10

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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.