Home / 19,689,526.20-27,171,551.08-10,868,982.60

Finding the Fourth Proportional to 19,689,526.20, 27,171,551.08 and 10,868,982.60

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Solution

The fourth proportional to 19,689,526.20, 27,171,551.08 and 10,868,982.60 is: 14,999,198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689,526.20 : 27,171,551.08 = 10,868,982.60 : x
  2. Step 2: Convert to fraction form
    19,689,526.20/27,171,551.08 = 10,868,982.60/x
  3. Step 3: Cross multiply
    19,689,526.20x = 27,171,551.08 × 10,868,982.60
  4. Step 4: Simplify right side
    19,689,526.20x = 295,327,115,903,531.19
  5. Step 5: Solve for x
    x = 295,327,115,903,531.19/19,689,526.20
  6. Step 6: Final answer
    x = 14,999,198.71

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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.