Home / 25,430,145.60-38,112,040.80-11,781,710.40

Finding the Fourth Proportional to 25,430,145.60, 38,112,040.80 and 11,781,710.40

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Solution

The fourth proportional to 25,430,145.60, 38,112,040.80 and 11,781,710.40 is: 17,657,194.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430,145.60 : 38,112,040.80 = 11,781,710.40 : x
  2. Step 2: Convert to fraction form
    25,430,145.60/38,112,040.80 = 11,781,710.40/x
  3. Step 3: Cross multiply
    25,430,145.60x = 38,112,040.80 × 11,781,710.40
  4. Step 4: Simplify right side
    25,430,145.60x = 449,025,027,458,584.31
  5. Step 5: Solve for x
    x = 449,025,027,458,584.31/25,430,145.60
  6. Step 6: Final answer
    x = 17,657,194.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.