Home / 9,730,621.19-13,428,537.72-5,379,988.52

Finding the Fourth Proportional to 9,730,621.19, 13,428,537.72 and 5,379,988.52

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Solution

The fourth proportional to 9,730,621.19, 13,428,537.72 and 5,379,988.52 is: 7,424,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730,621.19 : 13,428,537.72 = 5,379,988.52 : x
  2. Step 2: Convert to fraction form
    9,730,621.19/13,428,537.72 = 5,379,988.52/x
  3. Step 3: Cross multiply
    9,730,621.19x = 13,428,537.72 × 5,379,988.52
  4. Step 4: Simplify right side
    9,730,621.19x = 72,245,378,773,986.97
  5. Step 5: Solve for x
    x = 72,245,378,773,986.97/9,730,621.19
  6. Step 6: Final answer
    x = 7,424,539.23

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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.