Home / 7,582,905.60-11,374,358.40-5,457,141.60

Finding the Fourth Proportional to 7,582,905.60, 11,374,358.40 and 5,457,141.60

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Solution

The fourth proportional to 7,582,905.60, 11,374,358.40 and 5,457,141.60 is: 8,185,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582,905.60 : 11,374,358.40 = 5,457,141.60 : x
  2. Step 2: Convert to fraction form
    7,582,905.60/11,374,358.40 = 5,457,141.60/x
  3. Step 3: Cross multiply
    7,582,905.60x = 11,374,358.40 × 5,457,141.60
  4. Step 4: Simplify right side
    7,582,905.60x = 62,071,484,397,949.44
  5. Step 5: Solve for x
    x = 62,071,484,397,949.44/7,582,905.60
  6. Step 6: Final answer
    x = 8,185,712.40

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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.