Home / 8,185,615.60-12,254,803.80-7,240,831.60

Finding the Fourth Proportional to 8,185,615.60, 12,254,803.80 and 7,240,831.60

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Solution

The fourth proportional to 8,185,615.60, 12,254,803.80 and 7,240,831.60 is: 10,840,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185,615.60 : 12,254,803.80 = 7,240,831.60 : x
  2. Step 2: Convert to fraction form
    8,185,615.60/12,254,803.80 = 7,240,831.60/x
  3. Step 3: Cross multiply
    8,185,615.60x = 12,254,803.80 × 7,240,831.60
  4. Step 4: Simplify right side
    8,185,615.60x = 88,734,970,606,840.08
  5. Step 5: Solve for x
    x = 88,734,970,606,840.08/8,185,615.60
  6. Step 6: Final answer
    x = 10,840,353.97

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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.