Home / 14,219,413.85-19,642,879.59-11,315,088.79

Finding the Fourth Proportional to 14,219,413.85, 19,642,879.59 and 11,315,088.79

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Solution

The fourth proportional to 14,219,413.85, 19,642,879.59 and 11,315,088.79 is: 15,630,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219,413.85 : 19,642,879.59 = 11,315,088.79 : x
  2. Step 2: Convert to fraction form
    14,219,413.85/19,642,879.59 = 11,315,088.79/x
  3. Step 3: Cross multiply
    14,219,413.85x = 19,642,879.59 × 11,315,088.79
  4. Step 4: Simplify right side
    14,219,413.85x = 222,260,926,560,590
  5. Step 5: Solve for x
    x = 222,260,926,560,590/14,219,413.85
  6. Step 6: Final answer
    x = 15,630,807.91

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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.