Home / 28,359,413.76-39,136,112.64-15,482,634.24

Finding the Fourth Proportional to 28,359,413.76, 39,136,112.64 and 15,482,634.24

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Solution

The fourth proportional to 28,359,413.76, 39,136,112.64 and 15,482,634.24 is: 21,366,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359,413.76 : 39,136,112.64 = 15,482,634.24 : x
  2. Step 2: Convert to fraction form
    28,359,413.76/39,136,112.64 = 15,482,634.24/x
  3. Step 3: Cross multiply
    28,359,413.76x = 39,136,112.64 × 15,482,634.24
  4. Step 4: Simplify right side
    28,359,413.76x = 605,930,117,580,560.75
  5. Step 5: Solve for x
    x = 605,930,117,580,560.75/28,359,413.76
  6. Step 6: Final answer
    x = 21,366,101.67

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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.