Home / 13,905,347.40-20,858,021.10-9,658,614.60

Finding the Fourth Proportional to 13,905,347.40, 20,858,021.10 and 9,658,614.60

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Solution

The fourth proportional to 13,905,347.40, 20,858,021.10 and 9,658,614.60 is: 14,487,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905,347.40 : 20,858,021.10 = 9,658,614.60 : x
  2. Step 2: Convert to fraction form
    13,905,347.40/20,858,021.10 = 9,658,614.60/x
  3. Step 3: Cross multiply
    13,905,347.40x = 20,858,021.10 × 9,658,614.60
  4. Step 4: Simplify right side
    13,905,347.40x = 201,459,587,123,568.06
  5. Step 5: Solve for x
    x = 201,459,587,123,568.06/13,905,347.40
  6. Step 6: Final answer
    x = 14,487,921.90

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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.