Home / 12,778,116.22-19,155,976.89-4,805,538.94

Finding the Fourth Proportional to 12,778,116.22, 19,155,976.89 and 4,805,538.94

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Solution

The fourth proportional to 12,778,116.22, 19,155,976.89 and 4,805,538.94 is: 7,204,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,116.22 : 19,155,976.89 = 4,805,538.94 : x
  2. Step 2: Convert to fraction form
    12,778,116.22/19,155,976.89 = 4,805,538.94/x
  3. Step 3: Cross multiply
    12,778,116.22x = 19,155,976.89 × 4,805,538.94
  4. Step 4: Simplify right side
    12,778,116.22x = 92,054,792,878,635.11
  5. Step 5: Solve for x
    x = 92,054,792,878,635.11/12,778,116.22
  6. Step 6: Final answer
    x = 7,204,097.32

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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.