Home / 7,888,516.60-11,816,186.10-6,561,412.60

Finding the Fourth Proportional to 7,888,516.60, 11,816,186.10 and 6,561,412.60

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Solution

The fourth proportional to 7,888,516.60, 11,816,186.10 and 6,561,412.60 is: 9,828,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888,516.60 : 11,816,186.10 = 6,561,412.60 : x
  2. Step 2: Convert to fraction form
    7,888,516.60/11,816,186.10 = 6,561,412.60/x
  3. Step 3: Cross multiply
    7,888,516.60x = 11,816,186.10 × 6,561,412.60
  4. Step 4: Simplify right side
    7,888,516.60x = 77,530,872,360,484.86
  5. Step 5: Solve for x
    x = 77,530,872,360,484.86/7,888,516.60
  6. Step 6: Final answer
    x = 9,828,320.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.