Home / 14,293,790.61-21,438,912.81-8,461,446.78

Finding the Fourth Proportional to 14,293,790.61, 21,438,912.81 and 8,461,446.78

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Solution

The fourth proportional to 14,293,790.61, 21,438,912.81 and 8,461,446.78 is: 12,691,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293,790.61 : 21,438,912.81 = 8,461,446.78 : x
  2. Step 2: Convert to fraction form
    14,293,790.61/21,438,912.81 = 8,461,446.78/x
  3. Step 3: Cross multiply
    14,293,790.61x = 21,438,912.81 × 8,461,446.78
  4. Step 4: Simplify right side
    14,293,790.61x = 181,404,219,762,875.22
  5. Step 5: Solve for x
    x = 181,404,219,762,875.22/14,293,790.61
  6. Step 6: Final answer
    x = 12,691,120.55

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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.