Home / 9,477,015.40-14,215,523.10-7,776,404.20

Finding the Fourth Proportional to 9,477,015.40, 14,215,523.10 and 7,776,404.20

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Solution

The fourth proportional to 9,477,015.40, 14,215,523.10 and 7,776,404.20 is: 11,664,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477,015.40 : 14,215,523.10 = 7,776,404.20 : x
  2. Step 2: Convert to fraction form
    9,477,015.40/14,215,523.10 = 7,776,404.20/x
  3. Step 3: Cross multiply
    9,477,015.40x = 14,215,523.10 × 7,776,404.20
  4. Step 4: Simplify right side
    9,477,015.40x = 110,545,653,540,037.02
  5. Step 5: Solve for x
    x = 110,545,653,540,037.02/9,477,015.40
  6. Step 6: Final answer
    x = 11,664,606.30

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Double scale
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Similar ratio
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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.