Home / 28,618,532.50-39,489,990.31-19,346,277.18

Finding the Fourth Proportional to 28,618,532.50, 39,489,990.31 and 19,346,277.18

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Solution

The fourth proportional to 28,618,532.50, 39,489,990.31 and 19,346,277.18 is: 26,695,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618,532.50 : 39,489,990.31 = 19,346,277.18 : x
  2. Step 2: Convert to fraction form
    28,618,532.50/39,489,990.31 = 19,346,277.18/x
  3. Step 3: Cross multiply
    28,618,532.50x = 39,489,990.31 × 19,346,277.18
  4. Step 4: Simplify right side
    28,618,532.50x = 763,984,298,372,774.12
  5. Step 5: Solve for x
    x = 763,984,298,372,774.12/28,618,532.50
  6. Step 6: Final answer
    x = 26,695,439.34

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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.