Home / 7,784,788.16-11,679,312.78-3,744,655.58

Finding the Fourth Proportional to 7,784,788.16, 11,679,312.78 and 3,744,655.58

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Solution

The fourth proportional to 7,784,788.16, 11,679,312.78 and 3,744,655.58 is: 5,618,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784,788.16 : 11,679,312.78 = 3,744,655.58 : x
  2. Step 2: Convert to fraction form
    7,784,788.16/11,679,312.78 = 3,744,655.58/x
  3. Step 3: Cross multiply
    7,784,788.16x = 11,679,312.78 × 3,744,655.58
  4. Step 4: Simplify right side
    7,784,788.16x = 43,735,003,801,390.59
  5. Step 5: Solve for x
    x = 43,735,003,801,390.59/7,784,788.16
  6. Step 6: Final answer
    x = 5,618,008.21

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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.