Home / 25,308,580.89-34,888,218.21-19,866,625.05

Finding the Fourth Proportional to 25,308,580.89, 34,888,218.21 and 19,866,625.05

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Solution

The fourth proportional to 25,308,580.89, 34,888,218.21 and 19,866,625.05 is: 27,386,409.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,308,580.89 : 34,888,218.21 = 19,866,625.05 : x
  2. Step 2: Convert to fraction form
    25,308,580.89/34,888,218.21 = 19,866,625.05/x
  3. Step 3: Cross multiply
    25,308,580.89x = 34,888,218.21 × 19,866,625.05
  4. Step 4: Simplify right side
    25,308,580.89x = 693,111,149,840,652.25
  5. Step 5: Solve for x
    x = 693,111,149,840,652.25/25,308,580.89
  6. Step 6: Final answer
    x = 27,386,409.09

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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.