Home / 15,118,183.55-20,862,492.29-8,925,225.12

Finding the Fourth Proportional to 15,118,183.55, 20,862,492.29 and 8,925,225.12

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Solution

The fourth proportional to 15,118,183.55, 20,862,492.29 and 8,925,225.12 is: 12,316,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118,183.55 : 20,862,492.29 = 8,925,225.12 : x
  2. Step 2: Convert to fraction form
    15,118,183.55/20,862,492.29 = 8,925,225.12/x
  3. Step 3: Cross multiply
    15,118,183.55x = 20,862,492.29 × 8,925,225.12
  4. Step 4: Simplify right side
    15,118,183.55x = 186,202,440,325,140.22
  5. Step 5: Solve for x
    x = 186,202,440,325,140.22/15,118,183.55
  6. Step 6: Final answer
    x = 12,316,455.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.