Home / 7,865,242.32-10,859,254.56-4,929,471.84

Finding the Fourth Proportional to 7,865,242.32, 10,859,254.56 and 4,929,471.84

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Solution

The fourth proportional to 7,865,242.32, 10,859,254.56 and 4,929,471.84 is: 6,805,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865,242.32 : 10,859,254.56 = 4,929,471.84 : x
  2. Step 2: Convert to fraction form
    7,865,242.32/10,859,254.56 = 4,929,471.84/x
  3. Step 3: Cross multiply
    7,865,242.32x = 10,859,254.56 × 4,929,471.84
  4. Step 4: Simplify right side
    7,865,242.32x = 53,530,389,556,911.59
  5. Step 5: Solve for x
    x = 53,530,389,556,911.59/7,865,242.32
  6. Step 6: Final answer
    x = 6,805,942.83

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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.