Home / 10,782,004.20-16,168,340.70-4,390,132.20

Finding the Fourth Proportional to 10,782,004.20, 16,168,340.70 and 4,390,132.20

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Solution

The fourth proportional to 10,782,004.20, 16,168,340.70 and 4,390,132.20 is: 6,583,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782,004.20 : 16,168,340.70 = 4,390,132.20 : x
  2. Step 2: Convert to fraction form
    10,782,004.20/16,168,340.70 = 4,390,132.20/x
  3. Step 3: Cross multiply
    10,782,004.20x = 16,168,340.70 × 4,390,132.20
  4. Step 4: Simplify right side
    10,782,004.20x = 70,981,153,127,640.55
  5. Step 5: Solve for x
    x = 70,981,153,127,640.55/10,782,004.20
  6. Step 6: Final answer
    x = 6,583,298.60

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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.