Home / 14,102,811.60-21,154,217.40-12,864,181.20

Finding the Fourth Proportional to 14,102,811.60, 21,154,217.40 and 12,864,181.20

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Solution

The fourth proportional to 14,102,811.60, 21,154,217.40 and 12,864,181.20 is: 19,296,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102,811.60 : 21,154,217.40 = 12,864,181.20 : x
  2. Step 2: Convert to fraction form
    14,102,811.60/21,154,217.40 = 12,864,181.20/x
  3. Step 3: Cross multiply
    14,102,811.60x = 21,154,217.40 × 12,864,181.20
  4. Step 4: Simplify right side
    14,102,811.60x = 272,131,685,777,792.84
  5. Step 5: Solve for x
    x = 272,131,685,777,792.84/14,102,811.60
  6. Step 6: Final answer
    x = 19,296,271.80

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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.