Home / 18,783,641.10-28,159,059.15-7,276,959.30

Finding the Fourth Proportional to 18,783,641.10, 28,159,059.15 and 7,276,959.30

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Solution

The fourth proportional to 18,783,641.10, 28,159,059.15 and 7,276,959.30 is: 10,909,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783,641.10 : 28,159,059.15 = 7,276,959.30 : x
  2. Step 2: Convert to fraction form
    18,783,641.10/28,159,059.15 = 7,276,959.30/x
  3. Step 3: Cross multiply
    18,783,641.10x = 28,159,059.15 × 7,276,959.30
  4. Step 4: Simplify right side
    18,783,641.10x = 204,912,327,360,842.59
  5. Step 5: Solve for x
    x = 204,912,327,360,842.59/18,783,641.10
  6. Step 6: Final answer
    x = 10,909,084.47

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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.