Home / 10,485,391.80-15,728,087.70-9,477,622.20

Finding the Fourth Proportional to 10,485,391.80, 15,728,087.70 and 9,477,622.20

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Solution

The fourth proportional to 10,485,391.80, 15,728,087.70 and 9,477,622.20 is: 14,216,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485,391.80 : 15,728,087.70 = 9,477,622.20 : x
  2. Step 2: Convert to fraction form
    10,485,391.80/15,728,087.70 = 9,477,622.20/x
  3. Step 3: Cross multiply
    10,485,391.80x = 15,728,087.70 × 9,477,622.20
  4. Step 4: Simplify right side
    10,485,391.80x = 149,064,873,149,066.91
  5. Step 5: Solve for x
    x = 149,064,873,149,066.91/10,485,391.80
  6. Step 6: Final answer
    x = 14,216,433.30

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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.