Home / 7,117,985.72-10,676,975.94-2,858,152.64

Finding the Fourth Proportional to 7,117,985.72, 10,676,975.94 and 2,858,152.64

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Solution

The fourth proportional to 7,117,985.72, 10,676,975.94 and 2,858,152.64 is: 4,287,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,985.72 : 10,676,975.94 = 2,858,152.64 : x
  2. Step 2: Convert to fraction form
    7,117,985.72/10,676,975.94 = 2,858,152.64/x
  3. Step 3: Cross multiply
    7,117,985.72x = 10,676,975.94 × 2,858,152.64
  4. Step 4: Simplify right side
    7,117,985.72x = 30,516,426,970,127.48
  5. Step 5: Solve for x
    x = 30,516,426,970,127.48/7,117,985.72
  6. Step 6: Final answer
    x = 4,287,227.90

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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.