Home / 13,116,822.30-19,675,233.45-12,109,052.70

Finding the Fourth Proportional to 13,116,822.30, 19,675,233.45 and 12,109,052.70

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Solution

The fourth proportional to 13,116,822.30, 19,675,233.45 and 12,109,052.70 is: 18,163,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,822.30 : 19,675,233.45 = 12,109,052.70 : x
  2. Step 2: Convert to fraction form
    13,116,822.30/19,675,233.45 = 12,109,052.70/x
  3. Step 3: Cross multiply
    13,116,822.30x = 19,675,233.45 × 12,109,052.70
  4. Step 4: Simplify right side
    13,116,822.30x = 238,248,438,730,852.78
  5. Step 5: Solve for x
    x = 238,248,438,730,852.78/13,116,822.30
  6. Step 6: Final answer
    x = 18,163,579.05

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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.