Home / 19,921,942.96-29,857,031.30-8,984,099.86

Finding the Fourth Proportional to 19,921,942.96, 29,857,031.30 and 8,984,099.86

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Solution

The fourth proportional to 19,921,942.96, 29,857,031.30 and 8,984,099.86 is: 13,464,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921,942.96 : 29,857,031.30 = 8,984,099.86 : x
  2. Step 2: Convert to fraction form
    19,921,942.96/29,857,031.30 = 8,984,099.86/x
  3. Step 3: Cross multiply
    19,921,942.96x = 29,857,031.30 × 8,984,099.86
  4. Step 4: Simplify right side
    19,921,942.96x = 268,238,550,812,851.75
  5. Step 5: Solve for x
    x = 268,238,550,812,851.75/19,921,942.96
  6. Step 6: Final answer
    x = 13,464,477.40

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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.