Home / 6,870,643.20-10,305,964.80-4,349,145.60

Finding the Fourth Proportional to 6,870,643.20, 10,305,964.80 and 4,349,145.60

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Solution

The fourth proportional to 6,870,643.20, 10,305,964.80 and 4,349,145.60 is: 6,523,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870,643.20 : 10,305,964.80 = 4,349,145.60 : x
  2. Step 2: Convert to fraction form
    6,870,643.20/10,305,964.80 = 4,349,145.60/x
  3. Step 3: Cross multiply
    6,870,643.20x = 10,305,964.80 × 4,349,145.60
  4. Step 4: Simplify right side
    6,870,643.20x = 44,822,141,463,674.88
  5. Step 5: Solve for x
    x = 44,822,141,463,674.88/6,870,643.20
  6. Step 6: Final answer
    x = 6,523,718.40

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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.