Home / 28,671,880.60-43,007,820.90-8,477,122.60

Finding the Fourth Proportional to 28,671,880.60, 43,007,820.90 and 8,477,122.60

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Solution

The fourth proportional to 28,671,880.60, 43,007,820.90 and 8,477,122.60 is: 12,715,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671,880.60 : 43,007,820.90 = 8,477,122.60 : x
  2. Step 2: Convert to fraction form
    28,671,880.60/43,007,820.90 = 8,477,122.60/x
  3. Step 3: Cross multiply
    28,671,880.60x = 43,007,820.90 × 8,477,122.60
  4. Step 4: Simplify right side
    28,671,880.60x = 364,582,570,528,142.31
  5. Step 5: Solve for x
    x = 364,582,570,528,142.31/28,671,880.60
  6. Step 6: Final answer
    x = 12,715,683.90

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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.