Home / 9,515,790.09-13,131,803.84-5,164,877.52

Finding the Fourth Proportional to 9,515,790.09, 13,131,803.84 and 5,164,877.52

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Solution

The fourth proportional to 9,515,790.09, 13,131,803.84 and 5,164,877.52 is: 7,127,538.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,790.09 : 13,131,803.84 = 5,164,877.52 : x
  2. Step 2: Convert to fraction form
    9,515,790.09/13,131,803.84 = 5,164,877.52/x
  3. Step 3: Cross multiply
    9,515,790.09x = 13,131,803.84 × 5,164,877.52
  4. Step 4: Simplify right side
    9,515,790.09x = 67,824,158,424,441.29
  5. Step 5: Solve for x
    x = 67,824,158,424,441.29/9,515,790.09
  6. Step 6: Final answer
    x = 7,127,538.31

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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.