Home / 7,776,007.80-11,664,011.70-7,160,148.60

Finding the Fourth Proportional to 7,776,007.80, 11,664,011.70 and 7,160,148.60

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Solution

The fourth proportional to 7,776,007.80, 11,664,011.70 and 7,160,148.60 is: 10,740,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,007.80 : 11,664,011.70 = 7,160,148.60 : x
  2. Step 2: Convert to fraction form
    7,776,007.80/11,664,011.70 = 7,160,148.60/x
  3. Step 3: Cross multiply
    7,776,007.80x = 11,664,011.70 × 7,160,148.60
  4. Step 4: Simplify right side
    7,776,007.80x = 83,516,057,044,138.61
  5. Step 5: Solve for x
    x = 83,516,057,044,138.61/7,776,007.80
  6. Step 6: Final answer
    x = 10,740,222.90

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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.