Home / 12,887,907.30-19,331,423.55-3,303,379.80

Finding the Fourth Proportional to 12,887,907.30, 19,331,423.55 and 3,303,379.80

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Solution

The fourth proportional to 12,887,907.30, 19,331,423.55 and 3,303,379.80 is: 4,954,957.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887,907.30 : 19,331,423.55 = 3,303,379.80 : x
  2. Step 2: Convert to fraction form
    12,887,907.30/19,331,423.55 = 3,303,379.80/x
  3. Step 3: Cross multiply
    12,887,907.30x = 19,331,423.55 × 3,303,379.80
  4. Step 4: Simplify right side
    12,887,907.30x = 63,859,034,060,314.29
  5. Step 5: Solve for x
    x = 63,859,034,060,314.29/12,887,907.30
  6. Step 6: Final answer
    x = 4,954,957.59

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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.