Home / 10,628,400.80-15,942,601.20-4,235,362.40

Finding the Fourth Proportional to 10,628,400.80, 15,942,601.20 and 4,235,362.40

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Solution

The fourth proportional to 10,628,400.80, 15,942,601.20 and 4,235,362.40 is: 6,353,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628,400.80 : 15,942,601.20 = 4,235,362.40 : x
  2. Step 2: Convert to fraction form
    10,628,400.80/15,942,601.20 = 4,235,362.40/x
  3. Step 3: Cross multiply
    10,628,400.80x = 15,942,601.20 × 4,235,362.40
  4. Step 4: Simplify right side
    10,628,400.80x = 67,522,693,680,674.88
  5. Step 5: Solve for x
    x = 67,522,693,680,674.88/10,628,400.80
  6. Step 6: Final answer
    x = 6,353,043.60

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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.