Home / 19,839,830.18-27,381,953.81-12,109,364.73

Finding the Fourth Proportional to 19,839,830.18, 27,381,953.81 and 12,109,364.73

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Solution

The fourth proportional to 19,839,830.18, 27,381,953.81 and 12,109,364.73 is: 16,712,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839,830.18 : 27,381,953.81 = 12,109,364.73 : x
  2. Step 2: Convert to fraction form
    19,839,830.18/27,381,953.81 = 12,109,364.73/x
  3. Step 3: Cross multiply
    19,839,830.18x = 27,381,953.81 × 12,109,364.73
  4. Step 4: Simplify right side
    19,839,830.18x = 331,578,065,735,576.56
  5. Step 5: Solve for x
    x = 331,578,065,735,576.56/19,839,830.18
  6. Step 6: Final answer
    x = 16,712,747.18

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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.