Home / 18,122,239.14-25,009,257.21-10,282,081.35

Finding the Fourth Proportional to 18,122,239.14, 25,009,257.21 and 10,282,081.35

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Solution

The fourth proportional to 18,122,239.14, 25,009,257.21 and 10,282,081.35 is: 14,189,594.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122,239.14 : 25,009,257.21 = 10,282,081.35 : x
  2. Step 2: Convert to fraction form
    18,122,239.14/25,009,257.21 = 10,282,081.35/x
  3. Step 3: Cross multiply
    18,122,239.14x = 25,009,257.21 × 10,282,081.35
  4. Step 4: Simplify right side
    18,122,239.14x = 257,147,217,136,294.03
  5. Step 5: Solve for x
    x = 257,147,217,136,294.03/18,122,239.14
  6. Step 6: Final answer
    x = 14,189,594.08

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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.