Home / 7,745,803.89-10,688,872.32-4,260,921.75

Finding the Fourth Proportional to 7,745,803.89, 10,688,872.32 and 4,260,921.75

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Solution

The fourth proportional to 7,745,803.89, 10,688,872.32 and 4,260,921.75 is: 5,879,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745,803.89 : 10,688,872.32 = 4,260,921.75 : x
  2. Step 2: Convert to fraction form
    7,745,803.89/10,688,872.32 = 4,260,921.75/x
  3. Step 3: Cross multiply
    7,745,803.89x = 10,688,872.32 × 4,260,921.75
  4. Step 4: Simplify right side
    7,745,803.89x = 45,544,448,551,260.96
  5. Step 5: Solve for x
    x = 45,544,448,551,260.96/7,745,803.89
  6. Step 6: Final answer
    x = 5,879,886.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.