Home / 7,910,852-11,865,681.84-2,519,284.64

Finding the Fourth Proportional to 7,910,852, 11,865,681.84 and 2,519,284.64

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Solution

The fourth proportional to 7,910,852, 11,865,681.84 and 2,519,284.64 is: 3,778,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910,852 : 11,865,681.84 = 2,519,284.64 : x
  2. Step 2: Convert to fraction form
    7,910,852/11,865,681.84 = 2,519,284.64/x
  3. Step 3: Cross multiply
    7,910,852x = 11,865,681.84 × 2,519,284.64
  4. Step 4: Simplify right side
    7,910,852x = 29,893,030,002,638.94
  5. Step 5: Solve for x
    x = 29,893,030,002,638.94/7,910,852
  6. Step 6: Final answer
    x = 3,778,737.11

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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.