Home / 11,920,550.67-17,849,608.11-7,808,936.94

Finding the Fourth Proportional to 11,920,550.67, 17,849,608.11 and 7,808,936.94

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Solution

The fourth proportional to 11,920,550.67, 17,849,608.11 and 7,808,936.94 is: 11,692,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920,550.67 : 17,849,608.11 = 7,808,936.94 : x
  2. Step 2: Convert to fraction form
    11,920,550.67/17,849,608.11 = 7,808,936.94/x
  3. Step 3: Cross multiply
    11,920,550.67x = 17,849,608.11 × 7,808,936.94
  4. Step 4: Simplify right side
    11,920,550.67x = 139,386,464,134,702.59
  5. Step 5: Solve for x
    x = 139,386,464,134,702.59/11,920,550.67
  6. Step 6: Final answer
    x = 11,692,955.13

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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.