Home / 7,928,681.70-11,893,022.55-5,537,197.20

Finding the Fourth Proportional to 7,928,681.70, 11,893,022.55 and 5,537,197.20

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Solution

The fourth proportional to 7,928,681.70, 11,893,022.55 and 5,537,197.20 is: 8,305,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,681.70 : 11,893,022.55 = 5,537,197.20 : x
  2. Step 2: Convert to fraction form
    7,928,681.70/11,893,022.55 = 5,537,197.20/x
  3. Step 3: Cross multiply
    7,928,681.70x = 11,893,022.55 × 5,537,197.20
  4. Step 4: Simplify right side
    7,928,681.70x = 65,854,011,163,396.87
  5. Step 5: Solve for x
    x = 65,854,011,163,396.87/7,928,681.70
  6. Step 6: Final answer
    x = 8,305,795.80

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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.