Home / 12,737,454.69-19,109,133.68-3,639,670.77

Finding the Fourth Proportional to 12,737,454.69, 19,109,133.68 and 3,639,670.77

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Solution

The fourth proportional to 12,737,454.69, 19,109,133.68 and 3,639,670.77 is: 5,460,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737,454.69 : 19,109,133.68 = 3,639,670.77 : x
  2. Step 2: Convert to fraction form
    12,737,454.69/19,109,133.68 = 3,639,670.77/x
  3. Step 3: Cross multiply
    12,737,454.69x = 19,109,133.68 × 3,639,670.77
  4. Step 4: Simplify right side
    12,737,454.69x = 69,550,955,295,118.53
  5. Step 5: Solve for x
    x = 69,550,955,295,118.53/12,737,454.69
  6. Step 6: Final answer
    x = 5,460,349.57

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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.