Home / 12,436,764.40-18,683,140.20-12,100,841.20

Finding the Fourth Proportional to 12,436,764.40, 18,683,140.20 and 12,100,841.20

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Solution

The fourth proportional to 12,436,764.40, 18,683,140.20 and 12,100,841.20 is: 18,178,499.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,764.40 : 18,683,140.20 = 12,100,841.20 : x
  2. Step 2: Convert to fraction form
    12,436,764.40/18,683,140.20 = 12,100,841.20/x
  3. Step 3: Cross multiply
    12,436,764.40x = 18,683,140.20 × 12,100,841.20
  4. Step 4: Simplify right side
    12,436,764.40x = 226,081,712,677,536.22
  5. Step 5: Solve for x
    x = 226,081,712,677,536.22/12,436,764.40
  6. Step 6: Final answer
    x = 18,178,499.28

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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.