Home / 13,767,290.83-18,998,871.09-7,572,808.83

Finding the Fourth Proportional to 13,767,290.83, 18,998,871.09 and 7,572,808.83

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Solution

The fourth proportional to 13,767,290.83, 18,998,871.09 and 7,572,808.83 is: 10,450,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767,290.83 : 18,998,871.09 = 7,572,808.83 : x
  2. Step 2: Convert to fraction form
    13,767,290.83/18,998,871.09 = 7,572,808.83/x
  3. Step 3: Cross multiply
    13,767,290.83x = 18,998,871.09 × 7,572,808.83
  4. Step 4: Simplify right side
    13,767,290.83x = 143,874,818,712,519.69
  5. Step 5: Solve for x
    x = 143,874,818,712,519.69/13,767,290.83
  6. Step 6: Final answer
    x = 10,450,481.55

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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.