Home / 12,066,807.60-18,100,211.40-3,548,005.20

Finding the Fourth Proportional to 12,066,807.60, 18,100,211.40 and 3,548,005.20

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Solution

The fourth proportional to 12,066,807.60, 18,100,211.40 and 3,548,005.20 is: 5,322,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066,807.60 : 18,100,211.40 = 3,548,005.20 : x
  2. Step 2: Convert to fraction form
    12,066,807.60/18,100,211.40 = 3,548,005.20/x
  3. Step 3: Cross multiply
    12,066,807.60x = 18,100,211.40 × 3,548,005.20
  4. Step 4: Simplify right side
    12,066,807.60x = 64,219,644,168,299.28
  5. Step 5: Solve for x
    x = 64,219,644,168,299.28/12,066,807.60
  6. Step 6: Final answer
    x = 5,322,007.80

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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.