Home / 19,782,001.20-29,673,001.80-11,137,227.60

Finding the Fourth Proportional to 19,782,001.20, 29,673,001.80 and 11,137,227.60

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Solution

The fourth proportional to 19,782,001.20, 29,673,001.80 and 11,137,227.60 is: 16,705,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782,001.20 : 29,673,001.80 = 11,137,227.60 : x
  2. Step 2: Convert to fraction form
    19,782,001.20/29,673,001.80 = 11,137,227.60/x
  3. Step 3: Cross multiply
    19,782,001.20x = 29,673,001.80 × 11,137,227.60
  4. Step 4: Simplify right side
    19,782,001.20x = 330,474,974,621,809.69
  5. Step 5: Solve for x
    x = 330,474,974,621,809.69/19,782,001.20
  6. Step 6: Final answer
    x = 16,705,841.40

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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.