Home / 18,688,972.50-25,790,782.05-10,104,268.50

Finding the Fourth Proportional to 18,688,972.50, 25,790,782.05 and 10,104,268.50

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Solution

The fourth proportional to 18,688,972.50, 25,790,782.05 and 10,104,268.50 is: 13,943,890.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688,972.50 : 25,790,782.05 = 10,104,268.50 : x
  2. Step 2: Convert to fraction form
    18,688,972.50/25,790,782.05 = 10,104,268.50/x
  3. Step 3: Cross multiply
    18,688,972.50x = 25,790,782.05 × 10,104,268.50
  4. Step 4: Simplify right side
    18,688,972.50x = 260,596,986,658,180.44
  5. Step 5: Solve for x
    x = 260,596,986,658,180.44/18,688,972.50
  6. Step 6: Final answer
    x = 13,943,890.53

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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.