Home / 21,738,140.20-32,586,474.30-8,087,631.40

Finding the Fourth Proportional to 21,738,140.20, 32,586,474.30 and 8,087,631.40

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Solution

The fourth proportional to 21,738,140.20, 32,586,474.30 and 8,087,631.40 is: 12,123,732.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738,140.20 : 32,586,474.30 = 8,087,631.40 : x
  2. Step 2: Convert to fraction form
    21,738,140.20/32,586,474.30 = 8,087,631.40/x
  3. Step 3: Cross multiply
    21,738,140.20x = 32,586,474.30 × 8,087,631.40
  4. Step 4: Simplify right side
    21,738,140.20x = 263,547,392,763,973.03
  5. Step 5: Solve for x
    x = 263,547,392,763,973.03/21,738,140.20
  6. Step 6: Final answer
    x = 12,123,732.31

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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.