Home / 28,588,836.60-39,452,464.80-15,535,848.60

Finding the Fourth Proportional to 28,588,836.60, 39,452,464.80 and 15,535,848.60

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Solution

The fourth proportional to 28,588,836.60, 39,452,464.80 and 15,535,848.60 is: 21,439,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588,836.60 : 39,452,464.80 = 15,535,848.60 : x
  2. Step 2: Convert to fraction form
    28,588,836.60/39,452,464.80 = 15,535,848.60/x
  3. Step 3: Cross multiply
    28,588,836.60x = 39,452,464.80 × 15,535,848.60
  4. Step 4: Simplify right side
    28,588,836.60x = 612,927,520,029,629.25
  5. Step 5: Solve for x
    x = 612,927,520,029,629.25/28,588,836.60
  6. Step 6: Final answer
    x = 21,439,400.58

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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.