Home / 19,069,789.80-28,605,565.98-6,291,411.24

Finding the Fourth Proportional to 19,069,789.80, 28,605,565.98 and 6,291,411.24

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Solution

The fourth proportional to 19,069,789.80, 28,605,565.98 and 6,291,411.24 is: 9,437,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069,789.80 : 28,605,565.98 = 6,291,411.24 : x
  2. Step 2: Convert to fraction form
    19,069,789.80/28,605,565.98 = 6,291,411.24/x
  3. Step 3: Cross multiply
    19,069,789.80x = 28,605,565.98 × 6,291,411.24
  4. Step 4: Simplify right side
    19,069,789.80x = 179,969,379,333,133.62
  5. Step 5: Solve for x
    x = 179,969,379,333,133.62/19,069,789.80
  6. Step 6: Final answer
    x = 9,437,407.61

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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.