Home / 28,400,378.94-42,677,491.93-15,456,100.03

Finding the Fourth Proportional to 28,400,378.94, 42,677,491.93 and 15,456,100.03

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Solution

The fourth proportional to 28,400,378.94, 42,677,491.93 and 15,456,100.03 is: 23,226,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400,378.94 : 42,677,491.93 = 15,456,100.03 : x
  2. Step 2: Convert to fraction form
    28,400,378.94/42,677,491.93 = 15,456,100.03/x
  3. Step 3: Cross multiply
    28,400,378.94x = 42,677,491.93 × 15,456,100.03
  4. Step 4: Simplify right side
    28,400,378.94x = 659,627,584,299,597.75
  5. Step 5: Solve for x
    x = 659,627,584,299,597.75/28,400,378.94
  6. Step 6: Final answer
    x = 23,226,013.49

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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.