Home / 9,519,784.45-13,137,167.73-5,389,708.24

Finding the Fourth Proportional to 9,519,784.45, 13,137,167.73 and 5,389,708.24

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Solution

The fourth proportional to 9,519,784.45, 13,137,167.73 and 5,389,708.24 is: 7,437,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519,784.45 : 13,137,167.73 = 5,389,708.24 : x
  2. Step 2: Convert to fraction form
    9,519,784.45/13,137,167.73 = 5,389,708.24/x
  3. Step 3: Cross multiply
    9,519,784.45x = 13,137,167.73 × 5,389,708.24
  4. Step 4: Simplify right side
    9,519,784.45x = 70,805,501,164,643.09
  5. Step 5: Solve for x
    x = 70,805,501,164,643.09/9,519,784.45
  6. Step 6: Final answer
    x = 7,437,721.05

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1.5x scale

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.