Home / 10,856,638.40-16,280,042.40-4,122,814.40

Finding the Fourth Proportional to 10,856,638.40, 16,280,042.40 and 4,122,814.40

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Solution

The fourth proportional to 10,856,638.40, 16,280,042.40 and 4,122,814.40 is: 6,182,355.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,638.40 : 16,280,042.40 = 4,122,814.40 : x
  2. Step 2: Convert to fraction form
    10,856,638.40/16,280,042.40 = 4,122,814.40/x
  3. Step 3: Cross multiply
    10,856,638.40x = 16,280,042.40 × 4,122,814.40
  4. Step 4: Simplify right side
    10,856,638.40x = 67,119,593,239,330.56
  5. Step 5: Solve for x
    x = 67,119,593,239,330.56/10,856,638.40
  6. Step 6: Final answer
    x = 6,182,355.05

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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.