Home / 12,794,818.60-19,154,903.10-12,421,570.60

Finding the Fourth Proportional to 12,794,818.60, 19,154,903.10 and 12,421,570.60

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Solution

The fourth proportional to 12,794,818.60, 19,154,903.10 and 12,421,570.60 is: 18,596,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794,818.60 : 19,154,903.10 = 12,421,570.60 : x
  2. Step 2: Convert to fraction form
    12,794,818.60/19,154,903.10 = 12,421,570.60/x
  3. Step 3: Cross multiply
    12,794,818.60x = 19,154,903.10 × 12,421,570.60
  4. Step 4: Simplify right side
    12,794,818.60x = 237,933,981,192,808.88
  5. Step 5: Solve for x
    x = 237,933,981,192,808.88/12,794,818.60
  6. Step 6: Final answer
    x = 18,596,119.93

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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.