Home / 12,219,783.60-18,349,259.40-9,716,257.20

Finding the Fourth Proportional to 12,219,783.60, 18,349,259.40 and 9,716,257.20

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Solution

The fourth proportional to 12,219,783.60, 18,349,259.40 and 9,716,257.20 is: 14,589,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,783.60 : 18,349,259.40 = 9,716,257.20 : x
  2. Step 2: Convert to fraction form
    12,219,783.60/18,349,259.40 = 9,716,257.20/x
  3. Step 3: Cross multiply
    12,219,783.60x = 18,349,259.40 × 9,716,257.20
  4. Step 4: Simplify right side
    12,219,783.60x = 178,286,123,759,917.66
  5. Step 5: Solve for x
    x = 178,286,123,759,917.66/12,219,783.60
  6. Step 6: Final answer
    x = 14,589,957.53

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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.