Home / 13,263,519-19,895,276.85-3,678,897.54

Finding the Fourth Proportional to 13,263,519, 19,895,276.85 and 3,678,897.54

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Solution

The fourth proportional to 13,263,519, 19,895,276.85 and 3,678,897.54 is: 5,518,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,519 : 19,895,276.85 = 3,678,897.54 : x
  2. Step 2: Convert to fraction form
    13,263,519/19,895,276.85 = 3,678,897.54/x
  3. Step 3: Cross multiply
    13,263,519x = 19,895,276.85 × 3,678,897.54
  4. Step 4: Simplify right side
    13,263,519x = 73,192,685,061,083.95
  5. Step 5: Solve for x
    x = 73,192,685,061,083.95/13,263,519
  6. Step 6: Final answer
    x = 5,518,345.85

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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.