Home / 28,273,340.80-42,410,011.20-13,898,627.20

Finding the Fourth Proportional to 28,273,340.80, 42,410,011.20 and 13,898,627.20

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Solution

The fourth proportional to 28,273,340.80, 42,410,011.20 and 13,898,627.20 is: 20,847,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273,340.80 : 42,410,011.20 = 13,898,627.20 : x
  2. Step 2: Convert to fraction form
    28,273,340.80/42,410,011.20 = 13,898,627.20/x
  3. Step 3: Cross multiply
    28,273,340.80x = 42,410,011.20 × 13,898,627.20
  4. Step 4: Simplify right side
    28,273,340.80x = 589,440,935,216,624.62
  5. Step 5: Solve for x
    x = 589,440,935,216,624.62/28,273,340.80
  6. Step 6: Final answer
    x = 20,847,940.80

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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.