Home / 14,975,941.51-20,665,020.94-8,449,189.93

Finding the Fourth Proportional to 14,975,941.51, 20,665,020.94 and 8,449,189.93

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Solution

The fourth proportional to 14,975,941.51, 20,665,020.94 and 8,449,189.93 is: 11,658,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975,941.51 : 20,665,020.94 = 8,449,189.93 : x
  2. Step 2: Convert to fraction form
    14,975,941.51/20,665,020.94 = 8,449,189.93/x
  3. Step 3: Cross multiply
    14,975,941.51x = 20,665,020.94 × 8,449,189.93
  4. Step 4: Simplify right side
    14,975,941.51x = 174,602,686,829,487.12
  5. Step 5: Solve for x
    x = 174,602,686,829,487.12/14,975,941.51
  6. Step 6: Final answer
    x = 11,658,878.79

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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.