Home / 13,118,621.58-18,104,508.72-7,238,226.93

Finding the Fourth Proportional to 13,118,621.58, 18,104,508.72 and 7,238,226.93

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Solution

The fourth proportional to 13,118,621.58, 18,104,508.72 and 7,238,226.93 is: 9,989,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118,621.58 : 18,104,508.72 = 7,238,226.93 : x
  2. Step 2: Convert to fraction form
    13,118,621.58/18,104,508.72 = 7,238,226.93/x
  3. Step 3: Cross multiply
    13,118,621.58x = 18,104,508.72 × 7,238,226.93
  4. Step 4: Simplify right side
    13,118,621.58x = 131,044,542,571,523.81
  5. Step 5: Solve for x
    x = 131,044,542,571,523.81/13,118,621.58
  6. Step 6: Final answer
    x = 9,989,200.60

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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.