Home / 13,408,059.80-20,112,089.70-4,888,674.20

Finding the Fourth Proportional to 13,408,059.80, 20,112,089.70 and 4,888,674.20

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Solution

The fourth proportional to 13,408,059.80, 20,112,089.70 and 4,888,674.20 is: 7,333,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,059.80 : 20,112,089.70 = 4,888,674.20 : x
  2. Step 2: Convert to fraction form
    13,408,059.80/20,112,089.70 = 4,888,674.20/x
  3. Step 3: Cross multiply
    13,408,059.80x = 20,112,089.70 × 4,888,674.20
  4. Step 4: Simplify right side
    13,408,059.80x = 98,321,454,024,475.73
  5. Step 5: Solve for x
    x = 98,321,454,024,475.73/13,408,059.80
  6. Step 6: Final answer
    x = 7,333,011.30

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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.