Home / 13,702,326.12-18,907,831.98-7,589,612.52

Finding the Fourth Proportional to 13,702,326.12, 18,907,831.98 and 7,589,612.52

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Solution

The fourth proportional to 13,702,326.12, 18,907,831.98 and 7,589,612.52 is: 10,472,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702,326.12 : 18,907,831.98 = 7,589,612.52 : x
  2. Step 2: Convert to fraction form
    13,702,326.12/18,907,831.98 = 7,589,612.52/x
  3. Step 3: Cross multiply
    13,702,326.12x = 18,907,831.98 × 7,589,612.52
  4. Step 4: Simplify right side
    13,702,326.12x = 143,503,118,321,464.38
  5. Step 5: Solve for x
    x = 143,503,118,321,464.38/13,702,326.12
  6. Step 6: Final answer
    x = 10,472,901.98

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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.