Home / 28,671,867.60-43,007,801.40-8,477,109.60

Finding the Fourth Proportional to 28,671,867.60, 43,007,801.40 and 8,477,109.60

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Solution

The fourth proportional to 28,671,867.60, 43,007,801.40 and 8,477,109.60 is: 12,715,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671,867.60 : 43,007,801.40 = 8,477,109.60 : x
  2. Step 2: Convert to fraction form
    28,671,867.60/43,007,801.40 = 8,477,109.60/x
  3. Step 3: Cross multiply
    28,671,867.60x = 43,007,801.40 × 8,477,109.60
  4. Step 4: Simplify right side
    28,671,867.60x = 364,581,846,122,833.44
  5. Step 5: Solve for x
    x = 364,581,846,122,833.44/28,671,867.60
  6. Step 6: Final answer
    x = 12,715,664.40

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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.