Home / 21,738,009.20-32,586,277.80-8,087,500.40

Finding the Fourth Proportional to 21,738,009.20, 32,586,277.80 and 8,087,500.40

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Solution

The fourth proportional to 21,738,009.20, 32,586,277.80 and 8,087,500.40 is: 12,123,535.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738,009.20 : 32,586,277.80 = 8,087,500.40 : x
  2. Step 2: Convert to fraction form
    21,738,009.20/32,586,277.80 = 8,087,500.40/x
  3. Step 3: Cross multiply
    21,738,009.20x = 32,586,277.80 × 8,087,500.40
  4. Step 4: Simplify right side
    21,738,009.20x = 263,541,534,742,011.12
  5. Step 5: Solve for x
    x = 263,541,534,742,011.12/21,738,009.20
  6. Step 6: Final answer
    x = 12,123,535.89

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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.