Home / 7,420,551.60-11,130,827.40-6,145,093.20

Finding the Fourth Proportional to 7,420,551.60, 11,130,827.40 and 6,145,093.20

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Solution

The fourth proportional to 7,420,551.60, 11,130,827.40 and 6,145,093.20 is: 9,217,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,551.60 : 11,130,827.40 = 6,145,093.20 : x
  2. Step 2: Convert to fraction form
    7,420,551.60/11,130,827.40 = 6,145,093.20/x
  3. Step 3: Cross multiply
    7,420,551.60x = 11,130,827.40 × 6,145,093.20
  4. Step 4: Simplify right side
    7,420,551.60x = 68,399,971,766,113.69
  5. Step 5: Solve for x
    x = 68,399,971,766,113.69/7,420,551.60
  6. Step 6: Final answer
    x = 9,217,639.80

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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.