Home / 28,827,338.77-39,781,725.90-15,774,599.24

Finding the Fourth Proportional to 28,827,338.77, 39,781,725.90 and 15,774,599.24

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Solution

The fourth proportional to 28,827,338.77, 39,781,725.90 and 15,774,599.24 is: 21,768,946.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827,338.77 : 39,781,725.90 = 15,774,599.24 : x
  2. Step 2: Convert to fraction form
    28,827,338.77/39,781,725.90 = 15,774,599.24/x
  3. Step 3: Cross multiply
    28,827,338.77x = 39,781,725.90 × 15,774,599.24
  4. Step 4: Simplify right side
    28,827,338.77x = 627,540,782,949,119.62
  5. Step 5: Solve for x
    x = 627,540,782,949,119.62/28,827,338.77
  6. Step 6: Final answer
    x = 21,768,946.07

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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.