Home / 19,987,605.76-27,582,890.16-10,820,241.76

Finding the Fourth Proportional to 19,987,605.76, 27,582,890.16 and 10,820,241.76

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Solution

The fourth proportional to 19,987,605.76, 27,582,890.16 and 10,820,241.76 is: 14,931,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,605.76 : 27,582,890.16 = 10,820,241.76 : x
  2. Step 2: Convert to fraction form
    19,987,605.76/27,582,890.16 = 10,820,241.76/x
  3. Step 3: Cross multiply
    19,987,605.76x = 27,582,890.16 × 10,820,241.76
  4. Step 4: Simplify right side
    19,987,605.76x = 298,453,539,970,725.06
  5. Step 5: Solve for x
    x = 298,453,539,970,725.06/19,987,605.76
  6. Step 6: Final answer
    x = 14,931,930.50

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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.