Home / 19,010,000.20-28,515,000.30-6,230,921.80

Finding the Fourth Proportional to 19,010,000.20, 28,515,000.30 and 6,230,921.80

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Solution

The fourth proportional to 19,010,000.20, 28,515,000.30 and 6,230,921.80 is: 9,346,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010,000.20 : 28,515,000.30 = 6,230,921.80 : x
  2. Step 2: Convert to fraction form
    19,010,000.20/28,515,000.30 = 6,230,921.80/x
  3. Step 3: Cross multiply
    19,010,000.20x = 28,515,000.30 × 6,230,921.80
  4. Step 4: Simplify right side
    19,010,000.20x = 177,674,736,996,276.53
  5. Step 5: Solve for x
    x = 177,674,736,996,276.53/19,010,000.20
  6. Step 6: Final answer
    x = 9,346,382.70

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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.