Home / 7,528,876.46-10,389,906.69-4,091,136.02

Finding the Fourth Proportional to 7,528,876.46, 10,389,906.69 and 4,091,136.02

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Solution

The fourth proportional to 7,528,876.46, 10,389,906.69 and 4,091,136.02 is: 5,645,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528,876.46 : 10,389,906.69 = 4,091,136.02 : x
  2. Step 2: Convert to fraction form
    7,528,876.46/10,389,906.69 = 4,091,136.02/x
  3. Step 3: Cross multiply
    7,528,876.46x = 10,389,906.69 × 4,091,136.02
  4. Step 4: Simplify right side
    7,528,876.46x = 42,506,521,503,897.97
  5. Step 5: Solve for x
    x = 42,506,521,503,897.97/7,528,876.46
  6. Step 6: Final answer
    x = 5,645,798.78

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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.