Home / 14,996,500.16-20,695,181.44-8,120,989.76

Finding the Fourth Proportional to 14,996,500.16, 20,695,181.44 and 8,120,989.76

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Solution

The fourth proportional to 14,996,500.16, 20,695,181.44 and 8,120,989.76 is: 11,206,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,996,500.16 : 20,695,181.44 = 8,120,989.76 : x
  2. Step 2: Convert to fraction form
    14,996,500.16/20,695,181.44 = 8,120,989.76/x
  3. Step 3: Cross multiply
    14,996,500.16x = 20,695,181.44 × 8,120,989.76
  4. Step 4: Simplify right side
    14,996,500.16x = 168,065,356,555,582.06
  5. Step 5: Solve for x
    x = 168,065,356,555,582.06/14,996,500.16
  6. Step 6: Final answer
    x = 11,206,971.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.