Home / 21,486,072.40-32,229,108.60-7,302,648.40

Finding the Fourth Proportional to 21,486,072.40, 32,229,108.60 and 7,302,648.40

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Solution

The fourth proportional to 21,486,072.40, 32,229,108.60 and 7,302,648.40 is: 10,953,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486,072.40 : 32,229,108.60 = 7,302,648.40 : x
  2. Step 2: Convert to fraction form
    21,486,072.40/32,229,108.60 = 7,302,648.40/x
  3. Step 3: Cross multiply
    21,486,072.40x = 32,229,108.60 × 7,302,648.40
  4. Step 4: Simplify right side
    21,486,072.40x = 235,357,848,351,216.25
  5. Step 5: Solve for x
    x = 235,357,848,351,216.25/21,486,072.40
  6. Step 6: Final answer
    x = 10,953,972.60

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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.