Home / 10,255,875.55-15,378,133.96-4,194,863.44

Finding the Fourth Proportional to 10,255,875.55, 15,378,133.96 and 4,194,863.44

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Solution

The fourth proportional to 10,255,875.55, 15,378,133.96 and 4,194,863.44 is: 6,289,972.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255,875.55 : 15,378,133.96 = 4,194,863.44 : x
  2. Step 2: Convert to fraction form
    10,255,875.55/15,378,133.96 = 4,194,863.44/x
  3. Step 3: Cross multiply
    10,255,875.55x = 15,378,133.96 × 4,194,863.44
  4. Step 4: Simplify right side
    10,255,875.55x = 64,509,171,867,428.55
  5. Step 5: Solve for x
    x = 64,509,171,867,428.55/10,255,875.55
  6. Step 6: Final answer
    x = 6,289,972.18

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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.