Home / 7,712,943.60-11,569,415.40-5,722,287.60

Finding the Fourth Proportional to 7,712,943.60, 11,569,415.40 and 5,722,287.60

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Solution

The fourth proportional to 7,712,943.60, 11,569,415.40 and 5,722,287.60 is: 8,583,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712,943.60 : 11,569,415.40 = 5,722,287.60 : x
  2. Step 2: Convert to fraction form
    7,712,943.60/11,569,415.40 = 5,722,287.60/x
  3. Step 3: Cross multiply
    7,712,943.60x = 11,569,415.40 × 5,722,287.60
  4. Step 4: Simplify right side
    7,712,943.60x = 66,203,522,282,669.04
  5. Step 5: Solve for x
    x = 66,203,522,282,669.04/7,712,943.60
  6. Step 6: Final answer
    x = 8,583,431.40

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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.