Home / 28,671,975.60-43,007,963.40-8,477,217.60

Finding the Fourth Proportional to 28,671,975.60, 43,007,963.40 and 8,477,217.60

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Solution

The fourth proportional to 28,671,975.60, 43,007,963.40 and 8,477,217.60 is: 12,715,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671,975.60 : 43,007,963.40 = 8,477,217.60 : x
  2. Step 2: Convert to fraction form
    28,671,975.60/43,007,963.40 = 8,477,217.60/x
  3. Step 3: Cross multiply
    28,671,975.60x = 43,007,963.40 × 8,477,217.60
  4. Step 4: Simplify right side
    28,671,975.60x = 364,587,864,274,635.81
  5. Step 5: Solve for x
    x = 364,587,864,274,635.81/28,671,975.60
  6. Step 6: Final answer
    x = 12,715,826.40

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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.