Home / 19,009,849.20-28,514,773.80-17,890,105.20

Finding the Fourth Proportional to 19,009,849.20, 28,514,773.80 and 17,890,105.20

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Solution

The fourth proportional to 19,009,849.20, 28,514,773.80 and 17,890,105.20 is: 26,835,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,849.20 : 28,514,773.80 = 17,890,105.20 : x
  2. Step 2: Convert to fraction form
    19,009,849.20/28,514,773.80 = 17,890,105.20/x
  3. Step 3: Cross multiply
    19,009,849.20x = 28,514,773.80 × 17,890,105.20
  4. Step 4: Simplify right side
    19,009,849.20x = 510,132,303,036,203.75
  5. Step 5: Solve for x
    x = 510,132,303,036,203.75/19,009,849.20
  6. Step 6: Final answer
    x = 26,835,157.80

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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.