Home / 13,631,397,276.90-20,447,095,915.35-12,162,069,200.10

Finding the Fourth Proportional to 13,631,397,276.90, 20,447,095,915.35 and 12,162,069,200.10

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Solution

The fourth proportional to 13,631,397,276.90, 20,447,095,915.35 and 12,162,069,200.10 is: 18,243,103,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,397,276.90 : 20,447,095,915.35 = 12,162,069,200.10 : x
  2. Step 2: Convert to fraction form
    13,631,397,276.90/20,447,095,915.35 = 12,162,069,200.10/x
  3. Step 3: Cross multiply
    13,631,397,276.90x = 20,447,095,915.35 × 12,162,069,200.10
  4. Step 4: Simplify right side
    13,631,397,276.90x = 248,678,995,463,568,752,640
  5. Step 5: Solve for x
    x = 248,678,995,463,568,752,640/13,631,397,276.90
  6. Step 6: Final answer
    x = 18,243,103,800.15

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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.