Home / 7,381,979.12-10,180,769.64-4,802,718.80

Finding the Fourth Proportional to 7,381,979.12, 10,180,769.64 and 4,802,718.80

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Solution

The fourth proportional to 7,381,979.12, 10,180,769.64 and 4,802,718.80 is: 6,623,613.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,979.12 : 10,180,769.64 = 4,802,718.80 : x
  2. Step 2: Convert to fraction form
    7,381,979.12/10,180,769.64 = 4,802,718.80/x
  3. Step 3: Cross multiply
    7,381,979.12x = 10,180,769.64 × 4,802,718.80
  4. Step 4: Simplify right side
    7,381,979.12x = 48,895,373,748,497.23
  5. Step 5: Solve for x
    x = 48,895,373,748,497.23/7,381,979.12
  6. Step 6: Final answer
    x = 6,623,613.12

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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.