Home / 10,455,518.20-15,674,982.90-5,727,710.20

Finding the Fourth Proportional to 10,455,518.20, 15,674,982.90 and 5,727,710.20

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Solution

The fourth proportional to 10,455,518.20, 15,674,982.90 and 5,727,710.20 is: 8,587,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,518.20 : 15,674,982.90 = 5,727,710.20 : x
  2. Step 2: Convert to fraction form
    10,455,518.20/15,674,982.90 = 5,727,710.20/x
  3. Step 3: Cross multiply
    10,455,518.20x = 15,674,982.90 × 5,727,710.20
  4. Step 4: Simplify right side
    10,455,518.20x = 89,781,759,441,155.58
  5. Step 5: Solve for x
    x = 89,781,759,441,155.58/10,455,518.20
  6. Step 6: Final answer
    x = 8,587,021.49

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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.