Home / 12,779,797.65-19,169,696.90-3,195,176.18

Finding the Fourth Proportional to 12,779,797.65, 19,169,696.90 and 3,195,176.18

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Solution

The fourth proportional to 12,779,797.65, 19,169,696.90 and 3,195,176.18 is: 4,792,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,797.65 : 19,169,696.90 = 3,195,176.18 : x
  2. Step 2: Convert to fraction form
    12,779,797.65/19,169,696.90 = 3,195,176.18/x
  3. Step 3: Cross multiply
    12,779,797.65x = 19,169,696.90 × 3,195,176.18
  4. Step 4: Simplify right side
    12,779,797.65x = 61,250,558,927,898.88
  5. Step 5: Solve for x
    x = 61,250,558,927,898.88/12,779,797.65
  6. Step 6: Final answer
    x = 4,792,764.38

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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.