Home / 14,980,971.60-20,673,740.79-8,105,453.64

Finding the Fourth Proportional to 14,980,971.60, 20,673,740.79 and 8,105,453.64

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Solution

The fourth proportional to 14,980,971.60, 20,673,740.79 and 8,105,453.64 is: 11,185,526.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980,971.60 : 20,673,740.79 = 8,105,453.64 : x
  2. Step 2: Convert to fraction form
    14,980,971.60/20,673,740.79 = 8,105,453.64/x
  3. Step 3: Cross multiply
    14,980,971.60x = 20,673,740.79 × 8,105,453.64
  4. Step 4: Simplify right side
    14,980,971.60x = 167,570,047,538,721.97
  5. Step 5: Solve for x
    x = 167,570,047,538,721.97/14,980,971.60
  6. Step 6: Final answer
    x = 11,185,526.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.