Home / 19,839,831.18-27,381,955.19-12,109,365.73

Finding the Fourth Proportional to 19,839,831.18, 27,381,955.19 and 12,109,365.73

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Solution

The fourth proportional to 19,839,831.18, 27,381,955.19 and 12,109,365.73 is: 16,712,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839,831.18 : 27,381,955.19 = 12,109,365.73 : x
  2. Step 2: Convert to fraction form
    19,839,831.18/27,381,955.19 = 12,109,365.73/x
  3. Step 3: Cross multiply
    19,839,831.18x = 27,381,955.19 × 12,109,365.73
  4. Step 4: Simplify right side
    19,839,831.18x = 331,578,109,798,181.69
  5. Step 5: Solve for x
    x = 331,578,109,798,181.69/19,839,831.18
  6. Step 6: Final answer
    x = 16,712,748.55

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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.