Home / 18,144,025.80-27,216,038.70-15,404,152.20

Finding the Fourth Proportional to 18,144,025.80, 27,216,038.70 and 15,404,152.20

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Solution

The fourth proportional to 18,144,025.80, 27,216,038.70 and 15,404,152.20 is: 23,106,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,025.80 : 27,216,038.70 = 15,404,152.20 : x
  2. Step 2: Convert to fraction form
    18,144,025.80/27,216,038.70 = 15,404,152.20/x
  3. Step 3: Cross multiply
    18,144,025.80x = 27,216,038.70 × 15,404,152.20
  4. Step 4: Simplify right side
    18,144,025.80x = 419,240,002,415,890.12
  5. Step 5: Solve for x
    x = 419,240,002,415,890.12/18,144,025.80
  6. Step 6: Final answer
    x = 23,106,228.30

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1.5x scale

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.