Home / 15,404,790.42-21,259,274.49-8,529,272.10

Finding the Fourth Proportional to 15,404,790.42, 21,259,274.49 and 8,529,272.10

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Solution

The fourth proportional to 15,404,790.42, 21,259,274.49 and 8,529,272.10 is: 11,770,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,790.42 : 21,259,274.49 = 8,529,272.10 : x
  2. Step 2: Convert to fraction form
    15,404,790.42/21,259,274.49 = 8,529,272.10/x
  3. Step 3: Cross multiply
    15,404,790.42x = 21,259,274.49 × 8,529,272.10
  4. Step 4: Simplify right side
    15,404,790.42x = 181,326,136,773,798.72
  5. Step 5: Solve for x
    x = 181,326,136,773,798.72/15,404,790.42
  6. Step 6: Final answer
    x = 11,770,762.98

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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.