Home / 10,011,516.68-13,815,809.70-5,661,457.16

Finding the Fourth Proportional to 10,011,516.68, 13,815,809.70 and 5,661,457.16

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Solution

The fourth proportional to 10,011,516.68, 13,815,809.70 and 5,661,457.16 is: 7,812,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011,516.68 : 13,815,809.70 = 5,661,457.16 : x
  2. Step 2: Convert to fraction form
    10,011,516.68/13,815,809.70 = 5,661,457.16/x
  3. Step 3: Cross multiply
    10,011,516.68x = 13,815,809.70 × 5,661,457.16
  4. Step 4: Simplify right side
    10,011,516.68x = 78,217,614,747,262.45
  5. Step 5: Solve for x
    x = 78,217,614,747,262.45/10,011,516.68
  6. Step 6: Final answer
    x = 7,812,763.76

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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.