Home / 13,021,396.20-19,532,094.30-12,357,844.20

Finding the Fourth Proportional to 13,021,396.20, 19,532,094.30 and 12,357,844.20

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Solution

The fourth proportional to 13,021,396.20, 19,532,094.30 and 12,357,844.20 is: 18,536,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021,396.20 : 19,532,094.30 = 12,357,844.20 : x
  2. Step 2: Convert to fraction form
    13,021,396.20/19,532,094.30 = 12,357,844.20/x
  3. Step 3: Cross multiply
    13,021,396.20x = 19,532,094.30 × 12,357,844.20
  4. Step 4: Simplify right side
    13,021,396.20x = 241,374,578,259,108.06
  5. Step 5: Solve for x
    x = 241,374,578,259,108.06/13,021,396.20
  6. Step 6: Final answer
    x = 18,536,766.30

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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.