Home / 19,899,455.20-29,856,555.60-19,162,175.20

Finding the Fourth Proportional to 19,899,455.20, 29,856,555.60 and 19,162,175.20

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Solution

The fourth proportional to 19,899,455.20, 29,856,555.60 and 19,162,175.20 is: 28,750,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899,455.20 : 29,856,555.60 = 19,162,175.20 : x
  2. Step 2: Convert to fraction form
    19,899,455.20/29,856,555.60 = 19,162,175.20/x
  3. Step 3: Cross multiply
    19,899,455.20x = 29,856,555.60 × 19,162,175.20
  4. Step 4: Simplify right side
    19,899,455.20x = 572,116,549,275,741.12
  5. Step 5: Solve for x
    x = 572,116,549,275,741.12/19,899,455.20
  6. Step 6: Final answer
    x = 28,750,362.44

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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.