Home / 12,881,620.20-19,322,430.30-10,771,602.60

Finding the Fourth Proportional to 12,881,620.20, 19,322,430.30 and 10,771,602.60

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Solution

The fourth proportional to 12,881,620.20, 19,322,430.30 and 10,771,602.60 is: 16,157,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881,620.20 : 19,322,430.30 = 10,771,602.60 : x
  2. Step 2: Convert to fraction form
    12,881,620.20/19,322,430.30 = 10,771,602.60/x
  3. Step 3: Cross multiply
    12,881,620.20x = 19,322,430.30 × 10,771,602.60
  4. Step 4: Simplify right side
    12,881,620.20x = 208,133,540,457,798.78
  5. Step 5: Solve for x
    x = 208,133,540,457,798.78/12,881,620.20
  6. Step 6: Final answer
    x = 16,157,403.90

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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.