Home / 19,987,948.53-27,583,378.20-10,820,591.28

Finding the Fourth Proportional to 19,987,948.53, 27,583,378.20 and 10,820,591.28

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Solution

The fourth proportional to 19,987,948.53, 27,583,378.20 and 10,820,591.28 is: 14,932,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,948.53 : 27,583,378.20 = 10,820,591.28 : x
  2. Step 2: Convert to fraction form
    19,987,948.53/27,583,378.20 = 10,820,591.28/x
  3. Step 3: Cross multiply
    19,987,948.53x = 27,583,378.20 × 10,820,591.28
  4. Step 4: Simplify right side
    19,987,948.53x = 298,468,461,623,862.06
  5. Step 5: Solve for x
    x = 298,468,461,623,862.06/19,987,948.53
  6. Step 6: Final answer
    x = 14,932,420.96

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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.