Home / 19,666,865.80-29,500,298.70-17,753,678.20

Finding the Fourth Proportional to 19,666,865.80, 29,500,298.70 and 17,753,678.20

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Solution

The fourth proportional to 19,666,865.80, 29,500,298.70 and 17,753,678.20 is: 26,630,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,865.80 : 29,500,298.70 = 17,753,678.20 : x
  2. Step 2: Convert to fraction form
    19,666,865.80/29,500,298.70 = 17,753,678.20/x
  3. Step 3: Cross multiply
    19,666,865.80x = 29,500,298.70 × 17,753,678.20
  4. Step 4: Simplify right side
    19,666,865.80x = 523,738,809,923,678.31
  5. Step 5: Solve for x
    x = 523,738,809,923,678.31/19,666,865.80
  6. Step 6: Final answer
    x = 26,630,517.30

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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.