Home / 28,827,309.20-39,781,685.43-15,774,569.19

Finding the Fourth Proportional to 28,827,309.20, 39,781,685.43 and 15,774,569.19

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Solution

The fourth proportional to 28,827,309.20, 39,781,685.43 and 15,774,569.19 is: 21,768,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827,309.20 : 39,781,685.43 = 15,774,569.19 : x
  2. Step 2: Convert to fraction form
    28,827,309.20/39,781,685.43 = 15,774,569.19/x
  3. Step 3: Cross multiply
    28,827,309.20x = 39,781,685.43 × 15,774,569.19
  4. Step 4: Simplify right side
    28,827,309.20x = 627,538,949,310,349.88
  5. Step 5: Solve for x
    x = 627,538,949,310,349.88/28,827,309.20
  6. Step 6: Final answer
    x = 21,768,904.79

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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.