Home / 12,787,586.10-19,181,379.15-8,010,011.70

Finding the Fourth Proportional to 12,787,586.10, 19,181,379.15 and 8,010,011.70

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Solution

The fourth proportional to 12,787,586.10, 19,181,379.15 and 8,010,011.70 is: 12,015,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,586.10 : 19,181,379.15 = 8,010,011.70 : x
  2. Step 2: Convert to fraction form
    12,787,586.10/19,181,379.15 = 8,010,011.70/x
  3. Step 3: Cross multiply
    12,787,586.10x = 19,181,379.15 × 8,010,011.70
  4. Step 4: Simplify right side
    12,787,586.10x = 153,643,071,413,636.03
  5. Step 5: Solve for x
    x = 153,643,071,413,636.03/12,787,586.10
  6. Step 6: Final answer
    x = 12,015,017.55

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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.