Home / 30,854,873.51-42,584,062.97-19,097,912.96

Finding the Fourth Proportional to 30,854,873.51, 42,584,062.97 and 19,097,912.96

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Solution

The fourth proportional to 30,854,873.51, 42,584,062.97 and 19,097,912.96 is: 26,357,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854,873.51 : 42,584,062.97 = 19,097,912.96 : x
  2. Step 2: Convert to fraction form
    30,854,873.51/42,584,062.97 = 19,097,912.96/x
  3. Step 3: Cross multiply
    30,854,873.51x = 42,584,062.97 × 19,097,912.96
  4. Step 4: Simplify right side
    30,854,873.51x = 813,266,727,988,729.62
  5. Step 5: Solve for x
    x = 813,266,727,988,729.62/30,854,873.51
  6. Step 6: Final answer
    x = 26,357,804.63

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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.