Home / 21,388,271.10-32,082,406.65-10,607,235.90

Finding the Fourth Proportional to 21,388,271.10, 32,082,406.65 and 10,607,235.90

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Solution

The fourth proportional to 21,388,271.10, 32,082,406.65 and 10,607,235.90 is: 15,910,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,271.10 : 32,082,406.65 = 10,607,235.90 : x
  2. Step 2: Convert to fraction form
    21,388,271.10/32,082,406.65 = 10,607,235.90/x
  3. Step 3: Cross multiply
    21,388,271.10x = 32,082,406.65 × 10,607,235.90
  4. Step 4: Simplify right side
    21,388,271.10x = 340,305,655,576,278.75
  5. Step 5: Solve for x
    x = 340,305,655,576,278.75/21,388,271.10
  6. Step 6: Final answer
    x = 15,910,853.85

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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.