Home / 12,871,202.60-19,294,515.90-4,782,012.20

Finding the Fourth Proportional to 12,871,202.60, 19,294,515.90 and 4,782,012.20

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Solution

The fourth proportional to 12,871,202.60, 19,294,515.90 and 4,782,012.20 is: 7,168,452.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,871,202.60 : 19,294,515.90 = 4,782,012.20 : x
  2. Step 2: Convert to fraction form
    12,871,202.60/19,294,515.90 = 4,782,012.20/x
  3. Step 3: Cross multiply
    12,871,202.60x = 19,294,515.90 × 4,782,012.20
  4. Step 4: Simplify right side
    12,871,202.60x = 92,266,610,426,893.97
  5. Step 5: Solve for x
    x = 92,266,610,426,893.97/12,871,202.60
  6. Step 6: Final answer
    x = 7,168,452.96

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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.