Home / 7,877,926.80-11,816,890.20-4,509,363.60

Finding the Fourth Proportional to 7,877,926.80, 11,816,890.20 and 4,509,363.60

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Solution

The fourth proportional to 7,877,926.80, 11,816,890.20 and 4,509,363.60 is: 6,764,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,926.80 : 11,816,890.20 = 4,509,363.60 : x
  2. Step 2: Convert to fraction form
    7,877,926.80/11,816,890.20 = 4,509,363.60/x
  3. Step 3: Cross multiply
    7,877,926.80x = 11,816,890.20 × 4,509,363.60
  4. Step 4: Simplify right side
    7,877,926.80x = 53,286,654,533,076.71
  5. Step 5: Solve for x
    x = 53,286,654,533,076.71/7,877,926.80
  6. Step 6: Final answer
    x = 6,764,045.40

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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.