Home / 18,783,620.10-28,159,027.65-7,276,938.30

Finding the Fourth Proportional to 18,783,620.10, 28,159,027.65 and 7,276,938.30

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Solution

The fourth proportional to 18,783,620.10, 28,159,027.65 and 7,276,938.30 is: 10,909,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783,620.10 : 28,159,027.65 = 7,276,938.30 : x
  2. Step 2: Convert to fraction form
    18,783,620.10/28,159,027.65 = 7,276,938.30/x
  3. Step 3: Cross multiply
    18,783,620.10x = 28,159,027.65 × 7,276,938.30
  4. Step 4: Simplify right side
    18,783,620.10x = 204,911,506,797,043.97
  5. Step 5: Solve for x
    x = 204,911,506,797,043.97/18,783,620.10
  6. Step 6: Final answer
    x = 10,909,052.98

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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.