Home / 9,420,137.20-12,999,048.24-5,345,756.20

Finding the Fourth Proportional to 9,420,137.20, 12,999,048.24 and 5,345,756.20

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Solution

The fourth proportional to 9,420,137.20, 12,999,048.24 and 5,345,756.20 is: 7,376,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420,137.20 : 12,999,048.24 = 5,345,756.20 : x
  2. Step 2: Convert to fraction form
    9,420,137.20/12,999,048.24 = 5,345,756.20/x
  3. Step 3: Cross multiply
    9,420,137.20x = 12,999,048.24 × 5,345,756.20
  4. Step 4: Simplify right side
    9,420,137.20x = 69,489,742,723,079.09
  5. Step 5: Solve for x
    x = 69,489,742,723,079.09/9,420,137.20
  6. Step 6: Final answer
    x = 7,376,723.00

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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.