Home / 28,671,971.60-43,007,957.40-8,477,213.60

Finding the Fourth Proportional to 28,671,971.60, 43,007,957.40 and 8,477,213.60

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Solution

The fourth proportional to 28,671,971.60, 43,007,957.40 and 8,477,213.60 is: 12,715,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671,971.60 : 43,007,957.40 = 8,477,213.60 : x
  2. Step 2: Convert to fraction form
    28,671,971.60/43,007,957.40 = 8,477,213.60/x
  3. Step 3: Cross multiply
    28,671,971.60x = 43,007,957.40 × 8,477,213.60
  4. Step 4: Simplify right side
    28,671,971.60x = 364,587,641,379,500.62
  5. Step 5: Solve for x
    x = 364,587,641,379,500.62/28,671,971.60
  6. Step 6: Final answer
    x = 12,715,820.40

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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.