Home / 21,778,537.20-32,683,552.20-12,183,730.80

Finding the Fourth Proportional to 21,778,537.20, 32,683,552.20 and 12,183,730.80

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Solution

The fourth proportional to 21,778,537.20, 32,683,552.20 and 12,183,730.80 is: 18,284,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,778,537.20 : 32,683,552.20 = 12,183,730.80 : x
  2. Step 2: Convert to fraction form
    21,778,537.20/32,683,552.20 = 12,183,730.80/x
  3. Step 3: Cross multiply
    21,778,537.20x = 32,683,552.20 × 12,183,730.80
  4. Step 4: Simplify right side
    21,778,537.20x = 398,207,601,592,547.75
  5. Step 5: Solve for x
    x = 398,207,601,592,547.75/21,778,537.20
  6. Step 6: Final answer
    x = 18,284,405.33

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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.