Home / 32,921,235.10-45,430,812.39-18,236,857.42

Finding the Fourth Proportional to 32,921,235.10, 45,430,812.39 and 18,236,857.42

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Solution

The fourth proportional to 32,921,235.10, 45,430,812.39 and 18,236,857.42 is: 25,166,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,921,235.10 : 45,430,812.39 = 18,236,857.42 : x
  2. Step 2: Convert to fraction form
    32,921,235.10/45,430,812.39 = 18,236,857.42/x
  3. Step 3: Cross multiply
    32,921,235.10x = 45,430,812.39 × 18,236,857.42
  4. Step 4: Simplify right side
    32,921,235.10x = 828,515,248,031,199.50
  5. Step 5: Solve for x
    x = 828,515,248,031,199.50/32,921,235.10
  6. Step 6: Final answer
    x = 25,166,590.67

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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.