Home / 20,865,366.48-31,298,267.88-5,719,299.60

Finding the Fourth Proportional to 20,865,366.48, 31,298,267.88 and 5,719,299.60

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Solution

The fourth proportional to 20,865,366.48, 31,298,267.88 and 5,719,299.60 is: 8,579,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,865,366.48 : 31,298,267.88 = 5,719,299.60 : x
  2. Step 2: Convert to fraction form
    20,865,366.48/31,298,267.88 = 5,719,299.60/x
  3. Step 3: Cross multiply
    20,865,366.48x = 31,298,267.88 × 5,719,299.60
  4. Step 4: Simplify right side
    20,865,366.48x = 179,004,170,966,776.84
  5. Step 5: Solve for x
    x = 179,004,170,966,776.84/20,865,366.48
  6. Step 6: Final answer
    x = 8,579,009.20

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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.