Home / 9,985,485.70-13,779,923.61-5,401,766.98

Finding the Fourth Proportional to 9,985,485.70, 13,779,923.61 and 5,401,766.98

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Solution

The fourth proportional to 9,985,485.70, 13,779,923.61 and 5,401,766.98 is: 7,454,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985,485.70 : 13,779,923.61 = 5,401,766.98 : x
  2. Step 2: Convert to fraction form
    9,985,485.70/13,779,923.61 = 5,401,766.98/x
  3. Step 3: Cross multiply
    9,985,485.70x = 13,779,923.61 × 5,401,766.98
  4. Step 4: Simplify right side
    9,985,485.70x = 74,435,936,343,420.41
  5. Step 5: Solve for x
    x = 74,435,936,343,420.41/9,985,485.70
  6. Step 6: Final answer
    x = 7,454,413.19

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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.