Home / 9,985,486.20-13,779,924.30-5,401,767.48

Finding the Fourth Proportional to 9,985,486.20, 13,779,924.30 and 5,401,767.48

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Solution

The fourth proportional to 9,985,486.20, 13,779,924.30 and 5,401,767.48 is: 7,454,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985,486.20 : 13,779,924.30 = 5,401,767.48 : x
  2. Step 2: Convert to fraction form
    9,985,486.20/13,779,924.30 = 5,401,767.48/x
  3. Step 3: Cross multiply
    9,985,486.20x = 13,779,924.30 × 5,401,767.48
  4. Step 4: Simplify right side
    9,985,486.20x = 74,435,946,960,601.78
  5. Step 5: Solve for x
    x = 74,435,946,960,601.78/9,985,486.20
  6. Step 6: Final answer
    x = 7,454,413.88

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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.