Home / 10,867,039.20-16,311,056.40-6,615,511.20

Finding the Fourth Proportional to 10,867,039.20, 16,311,056.40 and 6,615,511.20

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Solution

The fourth proportional to 10,867,039.20, 16,311,056.40 and 6,615,511.20 is: 9,929,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,039.20 : 16,311,056.40 = 6,615,511.20 : x
  2. Step 2: Convert to fraction form
    10,867,039.20/16,311,056.40 = 6,615,511.20/x
  3. Step 3: Cross multiply
    10,867,039.20x = 16,311,056.40 × 6,615,511.20
  4. Step 4: Simplify right side
    10,867,039.20x = 107,905,976,298,031.69
  5. Step 5: Solve for x
    x = 107,905,976,298,031.69/10,867,039.20
  6. Step 6: Final answer
    x = 9,929,657.41

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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.