Home / 25,903,139.80-38,847,936.90-7,702,432.60

Finding the Fourth Proportional to 25,903,139.80, 38,847,936.90 and 7,702,432.60

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Solution

The fourth proportional to 25,903,139.80, 38,847,936.90 and 7,702,432.60 is: 11,551,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903,139.80 : 38,847,936.90 = 7,702,432.60 : x
  2. Step 2: Convert to fraction form
    25,903,139.80/38,847,936.90 = 7,702,432.60/x
  3. Step 3: Cross multiply
    25,903,139.80x = 38,847,936.90 × 7,702,432.60
  4. Step 4: Simplify right side
    25,903,139.80x = 299,223,615,621,302.94
  5. Step 5: Solve for x
    x = 299,223,615,621,302.94/25,903,139.80
  6. Step 6: Final answer
    x = 11,551,634.97

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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.