Home / 5,518,325.76-7,615,211.52-3,103,872

Finding the Fourth Proportional to 5,518,325.76, 7,615,211.52 and 3,103,872

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Solution

The fourth proportional to 5,518,325.76, 7,615,211.52 and 3,103,872 is: 4,283,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,325.76 : 7,615,211.52 = 3,103,872 : x
  2. Step 2: Convert to fraction form
    5,518,325.76/7,615,211.52 = 3,103,872/x
  3. Step 3: Cross multiply
    5,518,325.76x = 7,615,211.52 × 3,103,872
  4. Step 4: Simplify right side
    5,518,325.76x = 23,636,641,811,005.44
  5. Step 5: Solve for x
    x = 23,636,641,811,005.44/5,518,325.76
  6. Step 6: Final answer
    x = 4,283,299.47

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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.