Home / 9,295,890.90-13,943,836.35-8,658,161.70

Finding the Fourth Proportional to 9,295,890.90, 13,943,836.35 and 8,658,161.70

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Solution

The fourth proportional to 9,295,890.90, 13,943,836.35 and 8,658,161.70 is: 12,987,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295,890.90 : 13,943,836.35 = 8,658,161.70 : x
  2. Step 2: Convert to fraction form
    9,295,890.90/13,943,836.35 = 8,658,161.70/x
  3. Step 3: Cross multiply
    9,295,890.90x = 13,943,836.35 × 8,658,161.70
  4. Step 4: Simplify right side
    9,295,890.90x = 120,727,989,836,637.78
  5. Step 5: Solve for x
    x = 120,727,989,836,637.78/9,295,890.90
  6. Step 6: Final answer
    x = 12,987,242.55

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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.