Home / 9,717,621.09-13,410,317.06-5,643,502.53

Finding the Fourth Proportional to 9,717,621.09, 13,410,317.06 and 5,643,502.53

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Solution

The fourth proportional to 9,717,621.09, 13,410,317.06 and 5,643,502.53 is: 7,788,033.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717,621.09 : 13,410,317.06 = 5,643,502.53 : x
  2. Step 2: Convert to fraction form
    9,717,621.09/13,410,317.06 = 5,643,502.53/x
  3. Step 3: Cross multiply
    9,717,621.09x = 13,410,317.06 × 5,643,502.53
  4. Step 4: Simplify right side
    9,717,621.09x = 75,681,158,256,212.17
  5. Step 5: Solve for x
    x = 75,681,158,256,212.17/9,717,621.09
  6. Step 6: Final answer
    x = 7,788,033.47

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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.