Home / 25,670,121.89-35,424,798.80-13,909,381.76

Finding the Fourth Proportional to 25,670,121.89, 35,424,798.80 and 13,909,381.76

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Solution

The fourth proportional to 25,670,121.89, 35,424,798.80 and 13,909,381.76 is: 19,194,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670,121.89 : 35,424,798.80 = 13,909,381.76 : x
  2. Step 2: Convert to fraction form
    25,670,121.89/35,424,798.80 = 13,909,381.76/x
  3. Step 3: Cross multiply
    25,670,121.89x = 35,424,798.80 × 13,909,381.76
  4. Step 4: Simplify right side
    25,670,121.89x = 492,737,050,299,405
  5. Step 5: Solve for x
    x = 492,737,050,299,405/25,670,121.89
  6. Step 6: Final answer
    x = 19,194,963.41

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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.