Home / 12,775,916.60-19,132,382.10-8,492,895.80

Finding the Fourth Proportional to 12,775,916.60, 19,132,382.10 and 8,492,895.80

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Solution

The fourth proportional to 12,775,916.60, 19,132,382.10 and 8,492,895.80 is: 12,718,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,916.60 : 19,132,382.10 = 8,492,895.80 : x
  2. Step 2: Convert to fraction form
    12,775,916.60/19,132,382.10 = 8,492,895.80/x
  3. Step 3: Cross multiply
    12,775,916.60x = 19,132,382.10 × 8,492,895.80
  4. Step 4: Simplify right side
    12,775,916.60x = 162,489,327,581,085.22
  5. Step 5: Solve for x
    x = 162,489,327,581,085.22/12,775,916.60
  6. Step 6: Final answer
    x = 12,718,408.60

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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.