Home / 15,118,183.92-20,862,492.81-8,925,225.50

Finding the Fourth Proportional to 15,118,183.92, 20,862,492.81 and 8,925,225.50

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Solution

The fourth proportional to 15,118,183.92, 20,862,492.81 and 8,925,225.50 is: 12,316,456.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118,183.92 : 20,862,492.81 = 8,925,225.50 : x
  2. Step 2: Convert to fraction form
    15,118,183.92/20,862,492.81 = 8,925,225.50/x
  3. Step 3: Cross multiply
    15,118,183.92x = 20,862,492.81 × 8,925,225.50
  4. Step 4: Simplify right side
    15,118,183.92x = 186,202,452,795,300.50
  5. Step 5: Solve for x
    x = 186,202,452,795,300.50/15,118,183.92
  6. Step 6: Final answer
    x = 12,316,456.38

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1.5x scale

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.