Home / 27,139,511.80-40,709,267.70-12,022,967.80

Finding the Fourth Proportional to 27,139,511.80, 40,709,267.70 and 12,022,967.80

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Solution

The fourth proportional to 27,139,511.80, 40,709,267.70 and 12,022,967.80 is: 18,034,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,139,511.80 : 40,709,267.70 = 12,022,967.80 : x
  2. Step 2: Convert to fraction form
    27,139,511.80/40,709,267.70 = 12,022,967.80/x
  3. Step 3: Cross multiply
    27,139,511.80x = 40,709,267.70 × 12,022,967.80
  4. Step 4: Simplify right side
    27,139,511.80x = 489,446,214,718,680.12
  5. Step 5: Solve for x
    x = 489,446,214,718,680.12/27,139,511.80
  6. Step 6: Final answer
    x = 18,034,451.70

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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.