Home / 19,987,627.18-27,582,934.73-10,820,269.93

Finding the Fourth Proportional to 19,987,627.18, 27,582,934.73 and 10,820,269.93

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Solution

The fourth proportional to 19,987,627.18, 27,582,934.73 and 10,820,269.93 is: 14,931,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,627.18 : 27,582,934.73 = 10,820,269.93 : x
  2. Step 2: Convert to fraction form
    19,987,627.18/27,582,934.73 = 10,820,269.93/x
  3. Step 3: Cross multiply
    19,987,627.18x = 27,582,934.73 × 10,820,269.93
  4. Step 4: Simplify right side
    19,987,627.18x = 298,454,799,240,171.69
  5. Step 5: Solve for x
    x = 298,454,799,240,171.69/19,987,627.18
  6. Step 6: Final answer
    x = 14,931,977.50

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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.