Home / 12,784,511.16-17,641,950.90-6,983,209.38

Finding the Fourth Proportional to 12,784,511.16, 17,641,950.90 and 6,983,209.38

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Solution

The fourth proportional to 12,784,511.16, 17,641,950.90 and 6,983,209.38 is: 9,636,460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,784,511.16 : 17,641,950.90 = 6,983,209.38 : x
  2. Step 2: Convert to fraction form
    12,784,511.16/17,641,950.90 = 6,983,209.38/x
  3. Step 3: Cross multiply
    12,784,511.16x = 17,641,950.90 × 6,983,209.38
  4. Step 4: Simplify right side
    12,784,511.16x = 123,197,437,006,379.42
  5. Step 5: Solve for x
    x = 123,197,437,006,379.42/12,784,511.16
  6. Step 6: Final answer
    x = 9,636,460.52

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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.