Home / 8,977,421.66-12,388,920.57-5,110,191.47

Finding the Fourth Proportional to 8,977,421.66, 12,388,920.57 and 5,110,191.47

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Solution

The fourth proportional to 8,977,421.66, 12,388,920.57 and 5,110,191.47 is: 7,052,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977,421.66 : 12,388,920.57 = 5,110,191.47 : x
  2. Step 2: Convert to fraction form
    8,977,421.66/12,388,920.57 = 5,110,191.47/x
  3. Step 3: Cross multiply
    8,977,421.66x = 12,388,920.57 × 5,110,191.47
  4. Step 4: Simplify right side
    8,977,421.66x = 63,309,756,250,293.84
  5. Step 5: Solve for x
    x = 63,309,756,250,293.84/8,977,421.66
  6. Step 6: Final answer
    x = 7,052,109.02

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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.