Home / 9,121,491.83-12,587,660.04-4,991,523.94

Finding the Fourth Proportional to 9,121,491.83, 12,587,660.04 and 4,991,523.94

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Solution

The fourth proportional to 9,121,491.83, 12,587,660.04 and 4,991,523.94 is: 6,888,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,491.83 : 12,587,660.04 = 4,991,523.94 : x
  2. Step 2: Convert to fraction form
    9,121,491.83/12,587,660.04 = 4,991,523.94/x
  3. Step 3: Cross multiply
    9,121,491.83x = 12,587,660.04 × 4,991,523.94
  4. Step 4: Simplify right side
    9,121,491.83x = 62,831,606,438,241.36
  5. Step 5: Solve for x
    x = 62,831,606,438,241.36/9,121,491.83
  6. Step 6: Final answer
    x = 6,888,303.76

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1.5x scale

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.