Home / 11,520,020.40-17,280,030.60-7,936,839.60

Finding the Fourth Proportional to 11,520,020.40, 17,280,030.60 and 7,936,839.60

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Solution

The fourth proportional to 11,520,020.40, 17,280,030.60 and 7,936,839.60 is: 11,905,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520,020.40 : 17,280,030.60 = 7,936,839.60 : x
  2. Step 2: Convert to fraction form
    11,520,020.40/17,280,030.60 = 7,936,839.60/x
  3. Step 3: Cross multiply
    11,520,020.40x = 17,280,030.60 × 7,936,839.60
  4. Step 4: Simplify right side
    11,520,020.40x = 137,148,831,155,291.77
  5. Step 5: Solve for x
    x = 137,148,831,155,291.77/11,520,020.40
  6. Step 6: Final answer
    x = 11,905,259.40

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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.