Home / 13,630,019.30-20,427,662.55-7,243,331.30

Finding the Fourth Proportional to 13,630,019.30, 20,427,662.55 and 7,243,331.30

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Solution

The fourth proportional to 13,630,019.30, 20,427,662.55 and 7,243,331.30 is: 10,855,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630,019.30 : 20,427,662.55 = 7,243,331.30 : x
  2. Step 2: Convert to fraction form
    13,630,019.30/20,427,662.55 = 7,243,331.30/x
  3. Step 3: Cross multiply
    13,630,019.30x = 20,427,662.55 × 7,243,331.30
  4. Step 4: Simplify right side
    13,630,019.30x = 147,964,327,534,252.81
  5. Step 5: Solve for x
    x = 147,964,327,534,252.81/13,630,019.30
  6. Step 6: Final answer
    x = 10,855,768.01

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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.