Home / 9,141,516.78-12,615,212.68-5,011,472.87

Finding the Fourth Proportional to 9,141,516.78, 12,615,212.68 and 5,011,472.87

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Solution

The fourth proportional to 9,141,516.78, 12,615,212.68 and 5,011,472.87 is: 6,915,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141,516.78 : 12,615,212.68 = 5,011,472.87 : x
  2. Step 2: Convert to fraction form
    9,141,516.78/12,615,212.68 = 5,011,472.87/x
  3. Step 3: Cross multiply
    9,141,516.78x = 12,615,212.68 × 5,011,472.87
  4. Step 4: Simplify right side
    9,141,516.78x = 63,220,796,095,099.99
  5. Step 5: Solve for x
    x = 63,220,796,095,099.99/9,141,516.78
  6. Step 6: Final answer
    x = 6,915,788.44

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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.