Home / 20,649,037.35-30,945,654.53-7,862,566.89

Finding the Fourth Proportional to 20,649,037.35, 30,945,654.53 and 7,862,566.89

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Solution

The fourth proportional to 20,649,037.35, 30,945,654.53 and 7,862,566.89 is: 11,783,226.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,649,037.35 : 30,945,654.53 = 7,862,566.89 : x
  2. Step 2: Convert to fraction form
    20,649,037.35/30,945,654.53 = 7,862,566.89/x
  3. Step 3: Cross multiply
    20,649,037.35x = 30,945,654.53 × 7,862,566.89
  4. Step 4: Simplify right side
    20,649,037.35x = 243,312,278,657,643.66
  5. Step 5: Solve for x
    x = 243,312,278,657,643.66/20,649,037.35
  6. Step 6: Final answer
    x = 11,783,226.24

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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.