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Finding the Fourth Proportional to 13,804,059.20, 20,706,088.80 and 10,444,827.20

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Solution

The fourth proportional to 13,804,059.20, 20,706,088.80 and 10,444,827.20 is: 15,667,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804,059.20 : 20,706,088.80 = 10,444,827.20 : x
  2. Step 2: Convert to fraction form
    13,804,059.20/20,706,088.80 = 10,444,827.20/x
  3. Step 3: Cross multiply
    13,804,059.20x = 20,706,088.80 × 10,444,827.20
  4. Step 4: Simplify right side
    13,804,059.20x = 216,271,519,503,855.34
  5. Step 5: Solve for x
    x = 216,271,519,503,855.34/13,804,059.20
  6. Step 6: Final answer
    x = 15,667,240.80

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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.