Home / 28,671,972.10-43,007,958.15-8,477,214.10

Finding the Fourth Proportional to 28,671,972.10, 43,007,958.15 and 8,477,214.10

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Solution

The fourth proportional to 28,671,972.10, 43,007,958.15 and 8,477,214.10 is: 12,715,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671,972.10 : 43,007,958.15 = 8,477,214.10 : x
  2. Step 2: Convert to fraction form
    28,671,972.10/43,007,958.15 = 8,477,214.10/x
  3. Step 3: Cross multiply
    28,671,972.10x = 43,007,958.15 × 8,477,214.10
  4. Step 4: Simplify right side
    28,671,972.10x = 364,587,669,241,389.88
  5. Step 5: Solve for x
    x = 364,587,669,241,389.88/28,671,972.10
  6. Step 6: Final answer
    x = 12,715,821.15

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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.