Home / 13,791,520.45-19,032,298.14-7,993,665.19

Finding the Fourth Proportional to 13,791,520.45, 19,032,298.14 and 7,993,665.19

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Solution

The fourth proportional to 13,791,520.45, 19,032,298.14 and 7,993,665.19 is: 11,031,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,520.45 : 19,032,298.14 = 7,993,665.19 : x
  2. Step 2: Convert to fraction form
    13,791,520.45/19,032,298.14 = 7,993,665.19/x
  3. Step 3: Cross multiply
    13,791,520.45x = 19,032,298.14 × 7,993,665.19
  4. Step 4: Simplify right side
    13,791,520.45x = 152,137,819,127,419.75
  5. Step 5: Solve for x
    x = 152,137,819,127,419.75/13,791,520.45
  6. Step 6: Final answer
    x = 11,031,257.92

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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.