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Finding the Fourth Proportional to 8,750,950.40, 13,133,798.40 and 4,267,059.20

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Solution

The fourth proportional to 8,750,950.40, 13,133,798.40 and 4,267,059.20 is: 6,404,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750,950.40 : 13,133,798.40 = 4,267,059.20 : x
  2. Step 2: Convert to fraction form
    8,750,950.40/13,133,798.40 = 4,267,059.20/x
  3. Step 3: Cross multiply
    8,750,950.40x = 13,133,798.40 × 4,267,059.20
  4. Step 4: Simplify right side
    8,750,950.40x = 56,042,695,293,665.28
  5. Step 5: Solve for x
    x = 56,042,695,293,665.28/8,750,950.40
  6. Step 6: Final answer
    x = 6,404,183.86

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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.