Home / 8,977,219.74-12,388,642.44-5,109,989.88

Finding the Fourth Proportional to 8,977,219.74, 12,388,642.44 and 5,109,989.88

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Solution

The fourth proportional to 8,977,219.74, 12,388,642.44 and 5,109,989.88 is: 7,051,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977,219.74 : 12,388,642.44 = 5,109,989.88 : x
  2. Step 2: Convert to fraction form
    8,977,219.74/12,388,642.44 = 5,109,989.88/x
  3. Step 3: Cross multiply
    8,977,219.74x = 12,388,642.44 × 5,109,989.88
  4. Step 4: Simplify right side
    8,977,219.74x = 63,305,837,495,338.50
  5. Step 5: Solve for x
    x = 63,305,837,495,338.50/8,977,219.74
  6. Step 6: Final answer
    x = 7,051,831.12

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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.