Home / 25,403,905.80-38,105,858.70-8,362,364.40

Finding the Fourth Proportional to 25,403,905.80, 38,105,858.70 and 8,362,364.40

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Solution

The fourth proportional to 25,403,905.80, 38,105,858.70 and 8,362,364.40 is: 12,543,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403,905.80 : 38,105,858.70 = 8,362,364.40 : x
  2. Step 2: Convert to fraction form
    25,403,905.80/38,105,858.70 = 8,362,364.40/x
  3. Step 3: Cross multiply
    25,403,905.80x = 38,105,858.70 × 8,362,364.40
  4. Step 4: Simplify right side
    25,403,905.80x = 318,655,076,224,310.31
  5. Step 5: Solve for x
    x = 318,655,076,224,310.31/25,403,905.80
  6. Step 6: Final answer
    x = 12,543,546.60

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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.