Home / 7,248,831.30-10,003,118.16-3,985,451.88

Finding the Fourth Proportional to 7,248,831.30, 10,003,118.16 and 3,985,451.88

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Solution

The fourth proportional to 7,248,831.30, 10,003,118.16 and 3,985,451.88 is: 5,499,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248,831.30 : 10,003,118.16 = 3,985,451.88 : x
  2. Step 2: Convert to fraction form
    7,248,831.30/10,003,118.16 = 3,985,451.88/x
  3. Step 3: Cross multiply
    7,248,831.30x = 10,003,118.16 × 3,985,451.88
  4. Step 4: Simplify right side
    7,248,831.30x = 39,866,946,076,634.14
  5. Step 5: Solve for x
    x = 39,866,946,076,634.14/7,248,831.30
  6. Step 6: Final answer
    x = 5,499,775.68

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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.