Home / 7,272,378.09-10,035,959.07-4,009,309.61

Finding the Fourth Proportional to 7,272,378.09, 10,035,959.07 and 4,009,309.61

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Solution

The fourth proportional to 7,272,378.09, 10,035,959.07 and 4,009,309.61 is: 5,532,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272,378.09 : 10,035,959.07 = 4,009,309.61 : x
  2. Step 2: Convert to fraction form
    7,272,378.09/10,035,959.07 = 4,009,309.61/x
  3. Step 3: Cross multiply
    7,272,378.09x = 10,035,959.07 × 4,009,309.61
  4. Step 4: Simplify right side
    7,272,378.09x = 40,237,267,094,737.87
  5. Step 5: Solve for x
    x = 40,237,267,094,737.87/7,272,378.09
  6. Step 6: Final answer
    x = 5,532,889.87

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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.