Home / 19,163,905.80-28,745,858.70-10,062,486.60

Finding the Fourth Proportional to 19,163,905.80, 28,745,858.70 and 10,062,486.60

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Solution

The fourth proportional to 19,163,905.80, 28,745,858.70 and 10,062,486.60 is: 15,093,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163,905.80 : 28,745,858.70 = 10,062,486.60 : x
  2. Step 2: Convert to fraction form
    19,163,905.80/28,745,858.70 = 10,062,486.60/x
  3. Step 3: Cross multiply
    19,163,905.80x = 28,745,858.70 × 10,062,486.60
  4. Step 4: Simplify right side
    19,163,905.80x = 289,254,817,974,243.38
  5. Step 5: Solve for x
    x = 289,254,817,974,243.38/19,163,905.80
  6. Step 6: Final answer
    x = 15,093,729.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.