Home / 30,501,072.45-45,759,358.85-8,641,427.90

Finding the Fourth Proportional to 30,501,072.45, 45,759,358.85 and 8,641,427.90

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Solution

The fourth proportional to 30,501,072.45, 45,759,358.85 and 8,641,427.90 is: 12,964,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501,072.45 : 45,759,358.85 = 8,641,427.90 : x
  2. Step 2: Convert to fraction form
    30,501,072.45/45,759,358.85 = 8,641,427.90/x
  3. Step 3: Cross multiply
    30,501,072.45x = 45,759,358.85 × 8,641,427.90
  4. Step 4: Simplify right side
    30,501,072.45x = 395,426,200,252,501.94
  5. Step 5: Solve for x
    x = 395,426,200,252,501.94/30,501,072.45
  6. Step 6: Final answer
    x = 12,964,337.60

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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.