Home / 7,238,051.55-10,854,667.46-2,918,986.22

Finding the Fourth Proportional to 7,238,051.55, 10,854,667.46 and 2,918,986.22

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Solution

The fourth proportional to 7,238,051.55, 10,854,667.46 and 2,918,986.22 is: 4,377,507.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238,051.55 : 10,854,667.46 = 2,918,986.22 : x
  2. Step 2: Convert to fraction form
    7,238,051.55/10,854,667.46 = 2,918,986.22/x
  3. Step 3: Cross multiply
    7,238,051.55x = 10,854,667.46 × 2,918,986.22
  4. Step 4: Simplify right side
    7,238,051.55x = 31,684,624,669,554.13
  5. Step 5: Solve for x
    x = 31,684,624,669,554.13/7,238,051.55
  6. Step 6: Final answer
    x = 4,377,507.46

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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.