Home / 19,251,715.30-28,877,638.86-4,874,776.43

Finding the Fourth Proportional to 19,251,715.30, 28,877,638.86 and 4,874,776.43

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Solution

The fourth proportional to 19,251,715.30, 28,877,638.86 and 4,874,776.43 is: 7,312,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,715.30 : 28,877,638.86 = 4,874,776.43 : x
  2. Step 2: Convert to fraction form
    19,251,715.30/28,877,638.86 = 4,874,776.43/x
  3. Step 3: Cross multiply
    19,251,715.30x = 28,877,638.86 × 4,874,776.43
  4. Step 4: Simplify right side
    19,251,715.30x = 140,772,033,124,391.88
  5. Step 5: Solve for x
    x = 140,772,033,124,391.88/19,251,715.30
  6. Step 6: Final answer
    x = 7,312,181.33

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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.