Home / 12,347,487.60-18,489,738.60-9,828,063.60

Finding the Fourth Proportional to 12,347,487.60, 18,489,738.60 and 9,828,063.60

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Solution

The fourth proportional to 12,347,487.60, 18,489,738.60 and 9,828,063.60 is: 14,717,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347,487.60 : 18,489,738.60 = 9,828,063.60 : x
  2. Step 2: Convert to fraction form
    12,347,487.60/18,489,738.60 = 9,828,063.60/x
  3. Step 3: Cross multiply
    12,347,487.60x = 18,489,738.60 × 9,828,063.60
  4. Step 4: Simplify right side
    12,347,487.60x = 181,718,326,908,174.97
  5. Step 5: Solve for x
    x = 181,718,326,908,174.97/12,347,487.60
  6. Step 6: Final answer
    x = 14,717,028.50

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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.