Home / 12,528,031.70-18,792,047.55-10,701,449.30

Finding the Fourth Proportional to 12,528,031.70, 18,792,047.55 and 10,701,449.30

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Solution

The fourth proportional to 12,528,031.70, 18,792,047.55 and 10,701,449.30 is: 16,052,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,031.70 : 18,792,047.55 = 10,701,449.30 : x
  2. Step 2: Convert to fraction form
    12,528,031.70/18,792,047.55 = 10,701,449.30/x
  3. Step 3: Cross multiply
    12,528,031.70x = 18,792,047.55 × 10,701,449.30
  4. Step 4: Simplify right side
    12,528,031.70x = 201,102,144,099,514.25
  5. Step 5: Solve for x
    x = 201,102,144,099,514.25/12,528,031.70
  6. Step 6: Final answer
    x = 16,052,173.95

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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.