Home / 14,339,576.39-19,788,618.26-7,813,205.83

Finding the Fourth Proportional to 14,339,576.39, 19,788,618.26 and 7,813,205.83

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Solution

The fourth proportional to 14,339,576.39, 19,788,618.26 and 7,813,205.83 is: 10,782,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,576.39 : 19,788,618.26 = 7,813,205.83 : x
  2. Step 2: Convert to fraction form
    14,339,576.39/19,788,618.26 = 7,813,205.83/x
  3. Step 3: Cross multiply
    14,339,576.39x = 19,788,618.26 × 7,813,205.83
  4. Step 4: Simplify right side
    14,339,576.39x = 154,612,547,556,676.47
  5. Step 5: Solve for x
    x = 154,612,547,556,676.47/14,339,576.39
  6. Step 6: Final answer
    x = 10,782,225.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.