Home / 10,865,173.80-16,285,856.70-5,465,212.20

Finding the Fourth Proportional to 10,865,173.80, 16,285,856.70 and 5,465,212.20

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Solution

The fourth proportional to 10,865,173.80, 16,285,856.70 and 5,465,212.20 is: 8,191,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,173.80 : 16,285,856.70 = 5,465,212.20 : x
  2. Step 2: Convert to fraction form
    10,865,173.80/16,285,856.70 = 5,465,212.20/x
  3. Step 3: Cross multiply
    10,865,173.80x = 16,285,856.70 × 5,465,212.20
  4. Step 4: Simplify right side
    10,865,173.80x = 89,005,662,724,291.73
  5. Step 5: Solve for x
    x = 89,005,662,724,291.73/10,865,173.80
  6. Step 6: Final answer
    x = 8,191,830.56

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1.5x scale

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.