Home / 20,164,746.56-30,247,073.68-8,642,742.77

Finding the Fourth Proportional to 20,164,746.56, 30,247,073.68 and 8,642,742.77

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Solution

The fourth proportional to 20,164,746.56, 30,247,073.68 and 8,642,742.77 is: 12,964,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164,746.56 : 30,247,073.68 = 8,642,742.77 : x
  2. Step 2: Convert to fraction form
    20,164,746.56/30,247,073.68 = 8,642,742.77/x
  3. Step 3: Cross multiply
    20,164,746.56x = 30,247,073.68 × 8,642,742.77
  4. Step 4: Simplify right side
    20,164,746.56x = 261,417,677,361,477.28
  5. Step 5: Solve for x
    x = 261,417,677,361,477.28/20,164,746.56
  6. Step 6: Final answer
    x = 12,964,094.37

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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.