Home / 28,186,211.20-42,246,139.20-14,716,105.60

Finding the Fourth Proportional to 28,186,211.20, 42,246,139.20 and 14,716,105.60

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Solution

The fourth proportional to 28,186,211.20, 42,246,139.20 and 14,716,105.60 is: 22,056,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186,211.20 : 42,246,139.20 = 14,716,105.60 : x
  2. Step 2: Convert to fraction form
    28,186,211.20/42,246,139.20 = 14,716,105.60/x
  3. Step 3: Cross multiply
    28,186,211.20x = 42,246,139.20 × 14,716,105.60
  4. Step 4: Simplify right side
    28,186,211.20x = 621,698,645,659,499.50
  5. Step 5: Solve for x
    x = 621,698,645,659,499.50/28,186,211.20
  6. Step 6: Final answer
    x = 22,056,836.28

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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.