Home / 21,668,280.30-32,492,971.26-8,195,660.46

Finding the Fourth Proportional to 21,668,280.30, 32,492,971.26 and 8,195,660.46

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Solution

The fourth proportional to 21,668,280.30, 32,492,971.26 and 8,195,660.46 is: 12,289,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,668,280.30 : 32,492,971.26 = 8,195,660.46 : x
  2. Step 2: Convert to fraction form
    21,668,280.30/32,492,971.26 = 8,195,660.46/x
  3. Step 3: Cross multiply
    21,668,280.30x = 32,492,971.26 × 8,195,660.46
  4. Step 4: Simplify right side
    21,668,280.30x = 266,301,359,783,498.41
  5. Step 5: Solve for x
    x = 266,301,359,783,498.41/21,668,280.30
  6. Step 6: Final answer
    x = 12,289,916.69

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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.