Home / 9,639,631.45-13,302,827.13-5,288,638.69

Finding the Fourth Proportional to 9,639,631.45, 13,302,827.13 and 5,288,638.69

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Solution

The fourth proportional to 9,639,631.45, 13,302,827.13 and 5,288,638.69 is: 7,298,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639,631.45 : 13,302,827.13 = 5,288,638.69 : x
  2. Step 2: Convert to fraction form
    9,639,631.45/13,302,827.13 = 5,288,638.69/x
  3. Step 3: Cross multiply
    9,639,631.45x = 13,302,827.13 × 5,288,638.69
  4. Step 4: Simplify right side
    9,639,631.45x = 70,353,846,246,099.67
  5. Step 5: Solve for x
    x = 70,353,846,246,099.67/9,639,631.45
  6. Step 6: Final answer
    x = 7,298,395.86

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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.