Home / 30,854,878.26-42,584,069.52-19,097,917.71

Finding the Fourth Proportional to 30,854,878.26, 42,584,069.52 and 19,097,917.71

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Solution

The fourth proportional to 30,854,878.26, 42,584,069.52 and 19,097,917.71 is: 26,357,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854,878.26 : 42,584,069.52 = 19,097,917.71 : x
  2. Step 2: Convert to fraction form
    30,854,878.26/42,584,069.52 = 19,097,917.71/x
  3. Step 3: Cross multiply
    30,854,878.26x = 42,584,069.52 × 19,097,917.71
  4. Step 4: Simplify right side
    30,854,878.26x = 813,267,055,449,879.25
  5. Step 5: Solve for x
    x = 813,267,055,449,879.25/30,854,878.26
  6. Step 6: Final answer
    x = 26,357,811.19

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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.