Home / 12,808,864.60-19,166,640.90-9,449,632.60

Finding the Fourth Proportional to 12,808,864.60, 19,166,640.90 and 9,449,632.60

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Solution

The fourth proportional to 12,808,864.60, 19,166,640.90 and 9,449,632.60 is: 14,140,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808,864.60 : 19,166,640.90 = 9,449,632.60 : x
  2. Step 2: Convert to fraction form
    12,808,864.60/19,166,640.90 = 9,449,632.60/x
  3. Step 3: Cross multiply
    12,808,864.60x = 19,166,640.90 × 9,449,632.60
  4. Step 4: Simplify right side
    12,808,864.60x = 181,117,714,681,133.31
  5. Step 5: Solve for x
    x = 181,117,714,681,133.31/12,808,864.60
  6. Step 6: Final answer
    x = 14,140,028.83

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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.