Home / 19,162,285.20-28,743,427.80-11,604,013.20

Finding the Fourth Proportional to 19,162,285.20, 28,743,427.80 and 11,604,013.20

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Solution

The fourth proportional to 19,162,285.20, 28,743,427.80 and 11,604,013.20 is: 17,406,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162,285.20 : 28,743,427.80 = 11,604,013.20 : x
  2. Step 2: Convert to fraction form
    19,162,285.20/28,743,427.80 = 11,604,013.20/x
  3. Step 3: Cross multiply
    19,162,285.20x = 28,743,427.80 × 11,604,013.20
  4. Step 4: Simplify right side
    19,162,285.20x = 333,539,115,604,446.94
  5. Step 5: Solve for x
    x = 333,539,115,604,446.94/19,162,285.20
  6. Step 6: Final answer
    x = 17,406,019.80

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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.