Home / 10,018,413.48-13,825,437.21-5,434,734.86

Finding the Fourth Proportional to 10,018,413.48, 13,825,437.21 and 5,434,734.86

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Solution

The fourth proportional to 10,018,413.48, 13,825,437.21 and 5,434,734.86 is: 7,499,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018,413.48 : 13,825,437.21 = 5,434,734.86 : x
  2. Step 2: Convert to fraction form
    10,018,413.48/13,825,437.21 = 5,434,734.86/x
  3. Step 3: Cross multiply
    10,018,413.48x = 13,825,437.21 × 5,434,734.86
  4. Step 4: Simplify right side
    10,018,413.48x = 75,137,585,490,800.97
  5. Step 5: Solve for x
    x = 75,137,585,490,800.97/10,018,413.48
  6. Step 6: Final answer
    x = 7,499,948.53

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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.