Home / 28,189,752.60-42,284,628.90-19,096,206.60

Finding the Fourth Proportional to 28,189,752.60, 42,284,628.90 and 19,096,206.60

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Solution

The fourth proportional to 28,189,752.60, 42,284,628.90 and 19,096,206.60 is: 28,644,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189,752.60 : 42,284,628.90 = 19,096,206.60 : x
  2. Step 2: Convert to fraction form
    28,189,752.60/42,284,628.90 = 19,096,206.60/x
  3. Step 3: Cross multiply
    28,189,752.60x = 42,284,628.90 × 19,096,206.60
  4. Step 4: Simplify right side
    28,189,752.60x = 807,476,009,478,730.75
  5. Step 5: Solve for x
    x = 807,476,009,478,730.75/28,189,752.60
  6. Step 6: Final answer
    x = 28,644,309.90

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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.