Home / 19,987,145.61-27,582,348.96-10,819,788.36

Finding the Fourth Proportional to 19,987,145.61, 27,582,348.96 and 10,819,788.36

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Solution

The fourth proportional to 19,987,145.61, 27,582,348.96 and 10,819,788.36 is: 14,931,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,145.61 : 27,582,348.96 = 10,819,788.36 : x
  2. Step 2: Convert to fraction form
    19,987,145.61/27,582,348.96 = 10,819,788.36/x
  3. Step 3: Cross multiply
    19,987,145.61x = 27,582,348.96 × 10,819,788.36
  4. Step 4: Simplify right side
    19,987,145.61x = 298,435,178,218,866.12
  5. Step 5: Solve for x
    x = 298,435,178,218,866.12/19,987,145.61
  6. Step 6: Final answer
    x = 14,931,355.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.