Home / 10,856,636.40-16,280,039.40-4,122,812.40

Finding the Fourth Proportional to 10,856,636.40, 16,280,039.40 and 4,122,812.40

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Solution

The fourth proportional to 10,856,636.40, 16,280,039.40 and 4,122,812.40 is: 6,182,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,636.40 : 16,280,039.40 = 4,122,812.40 : x
  2. Step 2: Convert to fraction form
    10,856,636.40/16,280,039.40 = 4,122,812.40/x
  3. Step 3: Cross multiply
    10,856,636.40x = 16,280,039.40 × 4,122,812.40
  4. Step 4: Simplify right side
    10,856,636.40x = 67,119,548,310,808.56
  5. Step 5: Solve for x
    x = 67,119,548,310,808.56/10,856,636.40
  6. Step 6: Final answer
    x = 6,182,352.05

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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.