Home / 8,248,625.20-12,362,440.20-7,345,831.60

Finding the Fourth Proportional to 8,248,625.20, 12,362,440.20 and 7,345,831.60

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Solution

The fourth proportional to 8,248,625.20, 12,362,440.20 and 7,345,831.60 is: 11,009,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248,625.20 : 12,362,440.20 = 7,345,831.60 : x
  2. Step 2: Convert to fraction form
    8,248,625.20/12,362,440.20 = 7,345,831.60/x
  3. Step 3: Cross multiply
    8,248,625.20x = 12,362,440.20 × 7,345,831.60
  4. Step 4: Simplify right side
    8,248,625.20x = 90,812,403,874,270.31
  5. Step 5: Solve for x
    x = 90,812,403,874,270.31/8,248,625.20
  6. Step 6: Final answer
    x = 11,009,398.74

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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.