Home / 19,686,120.30-29,529,180.45-11,041,346.70

Finding the Fourth Proportional to 19,686,120.30, 29,529,180.45 and 11,041,346.70

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Solution

The fourth proportional to 19,686,120.30, 29,529,180.45 and 11,041,346.70 is: 16,562,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,120.30 : 29,529,180.45 = 11,041,346.70 : x
  2. Step 2: Convert to fraction form
    19,686,120.30/29,529,180.45 = 11,041,346.70/x
  3. Step 3: Cross multiply
    19,686,120.30x = 29,529,180.45 × 11,041,346.70
  4. Step 4: Simplify right side
    19,686,120.30x = 326,041,919,115,312
  5. Step 5: Solve for x
    x = 326,041,919,115,312/19,686,120.30
  6. Step 6: Final answer
    x = 16,562,020.05

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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.