Home / 18,869,448.43-28,298,699.43-7,352,346.79

Finding the Fourth Proportional to 18,869,448.43, 28,298,699.43 and 7,352,346.79

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Solution

The fourth proportional to 18,869,448.43, 28,298,699.43 and 7,352,346.79 is: 11,026,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869,448.43 : 28,298,699.43 = 7,352,346.79 : x
  2. Step 2: Convert to fraction form
    18,869,448.43/28,298,699.43 = 7,352,346.79/x
  3. Step 3: Cross multiply
    18,869,448.43x = 28,298,699.43 × 7,352,346.79
  4. Step 4: Simplify right side
    18,869,448.43x = 208,061,851,915,335.34
  5. Step 5: Solve for x
    x = 208,061,851,915,335.34/18,869,448.43
  6. Step 6: Final answer
    x = 11,026,387.59

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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.