Home / 18,869,453.94-28,298,707.68-7,352,352.30

Finding the Fourth Proportional to 18,869,453.94, 28,298,707.68 and 7,352,352.30

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Solution

The fourth proportional to 18,869,453.94, 28,298,707.68 and 7,352,352.30 is: 11,026,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869,453.94 : 28,298,707.68 = 7,352,352.30 : x
  2. Step 2: Convert to fraction form
    18,869,453.94/28,298,707.68 = 7,352,352.30/x
  3. Step 3: Cross multiply
    18,869,453.94x = 28,298,707.68 × 7,352,352.30
  4. Step 4: Simplify right side
    18,869,453.94x = 208,062,068,498,075.66
  5. Step 5: Solve for x
    x = 208,062,068,498,075.66/18,869,453.94
  6. Step 6: Final answer
    x = 11,026,395.84

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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.