Home / 12,059,068-16,639,640.50-7,164,164.29

Finding the Fourth Proportional to 12,059,068, 16,639,640.50 and 7,164,164.29

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Solution

The fourth proportional to 12,059,068, 16,639,640.50 and 7,164,164.29 is: 9,885,433.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059,068 : 16,639,640.50 = 7,164,164.29 : x
  2. Step 2: Convert to fraction form
    12,059,068/16,639,640.50 = 7,164,164.29/x
  3. Step 3: Cross multiply
    12,059,068x = 16,639,640.50 × 7,164,164.29
  4. Step 4: Simplify right side
    12,059,068x = 119,209,118,268,537.75
  5. Step 5: Solve for x
    x = 119,209,118,268,537.75/12,059,068
  6. Step 6: Final answer
    x = 9,885,433.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.