Home / 12,805,566.58-19,221,334.83-11,355,916.37

Finding the Fourth Proportional to 12,805,566.58, 19,221,334.83 and 11,355,916.37

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Solution

The fourth proportional to 12,805,566.58, 19,221,334.83 and 11,355,916.37 is: 17,045,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,566.58 : 19,221,334.83 = 11,355,916.37 : x
  2. Step 2: Convert to fraction form
    12,805,566.58/19,221,334.83 = 11,355,916.37/x
  3. Step 3: Cross multiply
    12,805,566.58x = 19,221,334.83 × 11,355,916.37
  4. Step 4: Simplify right side
    12,805,566.58x = 218,275,870,849,248.12
  5. Step 5: Solve for x
    x = 218,275,870,849,248.12/12,805,566.58
  6. Step 6: Final answer
    x = 17,045,389.56

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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.