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Finding the Fourth Proportional to 14,652,015.60, 21,978,023.40 and 10,825,640.40

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Solution

The fourth proportional to 14,652,015.60, 21,978,023.40 and 10,825,640.40 is: 16,238,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,015.60 : 21,978,023.40 = 10,825,640.40 : x
  2. Step 2: Convert to fraction form
    14,652,015.60/21,978,023.40 = 10,825,640.40/x
  3. Step 3: Cross multiply
    14,652,015.60x = 21,978,023.40 × 10,825,640.40
  4. Step 4: Simplify right side
    14,652,015.60x = 237,926,178,031,185.34
  5. Step 5: Solve for x
    x = 237,926,178,031,185.34/14,652,015.60
  6. Step 6: Final answer
    x = 16,238,460.60

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Similar ratio
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1.5x scale

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.