Home / 31,704,962.10-47,476,709.48-20,889,473.42

Finding the Fourth Proportional to 31,704,962.10, 47,476,709.48 and 20,889,473.42

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Solution

The fourth proportional to 31,704,962.10, 47,476,709.48 and 20,889,473.42 is: 31,281,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,704,962.10 : 47,476,709.48 = 20,889,473.42 : x
  2. Step 2: Convert to fraction form
    31,704,962.10/47,476,709.48 = 20,889,473.42/x
  3. Step 3: Cross multiply
    31,704,962.10x = 47,476,709.48 × 20,889,473.42
  4. Step 4: Simplify right side
    31,704,962.10x = 991,763,460,751,522
  5. Step 5: Solve for x
    x = 991,763,460,751,522/31,704,962.10
  6. Step 6: Final answer
    x = 31,281,017.07

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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.