Home / 19,001,578.27-28,492,114.09-8,621,131.80

Finding the Fourth Proportional to 19,001,578.27, 28,492,114.09 and 8,621,131.80

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Solution

The fourth proportional to 19,001,578.27, 28,492,114.09 and 8,621,131.80 is: 12,927,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001,578.27 : 28,492,114.09 = 8,621,131.80 : x
  2. Step 2: Convert to fraction form
    19,001,578.27/28,492,114.09 = 8,621,131.80/x
  3. Step 3: Cross multiply
    19,001,578.27x = 28,492,114.09 × 8,621,131.80
  4. Step 4: Simplify right side
    19,001,578.27x = 245,634,270,808,974.25
  5. Step 5: Solve for x
    x = 245,634,270,808,974.25/19,001,578.27
  6. Step 6: Final answer
    x = 12,927,045.71

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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.