Home / 28,423,958.40-39,237,872.32-18,124,525.44

Finding the Fourth Proportional to 28,423,958.40, 39,237,872.32 and 18,124,525.44

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Solution

The fourth proportional to 28,423,958.40, 39,237,872.32 and 18,124,525.44 is: 25,020,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423,958.40 : 39,237,872.32 = 18,124,525.44 : x
  2. Step 2: Convert to fraction form
    28,423,958.40/39,237,872.32 = 18,124,525.44/x
  3. Step 3: Cross multiply
    28,423,958.40x = 39,237,872.32 × 18,124,525.44
  4. Step 4: Simplify right side
    28,423,958.40x = 711,167,815,075,311.88
  5. Step 5: Solve for x
    x = 711,167,815,075,311.88/28,423,958.40
  6. Step 6: Final answer
    x = 25,020,013.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.