Home / 13,238,205.60-19,867,138.80-5,265,751.20

Finding the Fourth Proportional to 13,238,205.60, 19,867,138.80 and 5,265,751.20

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Solution

The fourth proportional to 13,238,205.60, 19,867,138.80 and 5,265,751.20 is: 7,902,537.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238,205.60 : 19,867,138.80 = 5,265,751.20 : x
  2. Step 2: Convert to fraction form
    13,238,205.60/19,867,138.80 = 5,265,751.20/x
  3. Step 3: Cross multiply
    13,238,205.60x = 19,867,138.80 × 5,265,751.20
  4. Step 4: Simplify right side
    13,238,205.60x = 104,615,409,976,666.56
  5. Step 5: Solve for x
    x = 104,615,409,976,666.56/13,238,205.60
  6. Step 6: Final answer
    x = 7,902,537.03

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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.