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Finding the Fourth Proportional to 17,270,602.60, 25,905,903.90 and 5,301,783.40

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Solution

The fourth proportional to 17,270,602.60, 25,905,903.90 and 5,301,783.40 is: 7,952,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,270,602.60 : 25,905,903.90 = 5,301,783.40 : x
  2. Step 2: Convert to fraction form
    17,270,602.60/25,905,903.90 = 5,301,783.40/x
  3. Step 3: Cross multiply
    17,270,602.60x = 25,905,903.90 × 5,301,783.40
  4. Step 4: Simplify right side
    17,270,602.60x = 137,347,491,259,015.27
  5. Step 5: Solve for x
    x = 137,347,491,259,015.27/17,270,602.60
  6. Step 6: Final answer
    x = 7,952,675.10

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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.