Home / 13,610,016.20-20,415,024.30-12,121,981.40

Finding the Fourth Proportional to 13,610,016.20, 20,415,024.30 and 12,121,981.40

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Solution

The fourth proportional to 13,610,016.20, 20,415,024.30 and 12,121,981.40 is: 18,182,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,016.20 : 20,415,024.30 = 12,121,981.40 : x
  2. Step 2: Convert to fraction form
    13,610,016.20/20,415,024.30 = 12,121,981.40/x
  3. Step 3: Cross multiply
    13,610,016.20x = 20,415,024.30 × 12,121,981.40
  4. Step 4: Simplify right side
    13,610,016.20x = 247,470,544,845,148.03
  5. Step 5: Solve for x
    x = 247,470,544,845,148.03/13,610,016.20
  6. Step 6: Final answer
    x = 18,182,972.10

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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.