Home / 8,888,141.78-12,266,634.80-5,020,913.42

Finding the Fourth Proportional to 8,888,141.78, 12,266,634.80 and 5,020,913.42

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Solution

The fourth proportional to 8,888,141.78, 12,266,634.80 and 5,020,913.42 is: 6,929,424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888,141.78 : 12,266,634.80 = 5,020,913.42 : x
  2. Step 2: Convert to fraction form
    8,888,141.78/12,266,634.80 = 5,020,913.42/x
  3. Step 3: Cross multiply
    8,888,141.78x = 12,266,634.80 × 5,020,913.42
  4. Step 4: Simplify right side
    8,888,141.78x = 61,589,711,282,778.01
  5. Step 5: Solve for x
    x = 61,589,711,282,778.01/8,888,141.78
  6. Step 6: Final answer
    x = 6,929,424.94

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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.