Home / 21,803,342.16-30,089,956.04-12,013,784.83

Finding the Fourth Proportional to 21,803,342.16, 30,089,956.04 and 12,013,784.83

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Solution

The fourth proportional to 21,803,342.16, 30,089,956.04 and 12,013,784.83 is: 16,579,763.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,803,342.16 : 30,089,956.04 = 12,013,784.83 : x
  2. Step 2: Convert to fraction form
    21,803,342.16/30,089,956.04 = 12,013,784.83/x
  3. Step 3: Cross multiply
    21,803,342.16x = 30,089,956.04 × 12,013,784.83
  4. Step 4: Simplify right side
    21,803,342.16x = 361,494,257,431,314.12
  5. Step 5: Solve for x
    x = 361,494,257,431,314.12/21,803,342.16
  6. Step 6: Final answer
    x = 16,579,763.54

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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.