Home / 10,808,319.80-16,221,665.10-4,423,154.60

Finding the Fourth Proportional to 10,808,319.80, 16,221,665.10 and 4,423,154.60

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Solution

The fourth proportional to 10,808,319.80, 16,221,665.10 and 4,423,154.60 is: 6,638,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808,319.80 : 16,221,665.10 = 4,423,154.60 : x
  2. Step 2: Convert to fraction form
    10,808,319.80/16,221,665.10 = 4,423,154.60/x
  3. Step 3: Cross multiply
    10,808,319.80x = 16,221,665.10 × 4,423,154.60
  4. Step 4: Simplify right side
    10,808,319.80x = 71,750,932,606,724.45
  5. Step 5: Solve for x
    x = 71,750,932,606,724.45/10,808,319.80
  6. Step 6: Final answer
    x = 6,638,490.90

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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.