Home / 13,031,043.18-19,440,756.53-12,325,604.46

Finding the Fourth Proportional to 13,031,043.18, 19,440,756.53 and 12,325,604.46

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Solution

The fourth proportional to 13,031,043.18, 19,440,756.53 and 12,325,604.46 is: 18,388,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031,043.18 : 19,440,756.53 = 12,325,604.46 : x
  2. Step 2: Convert to fraction form
    13,031,043.18/19,440,756.53 = 12,325,604.46/x
  3. Step 3: Cross multiply
    13,031,043.18x = 19,440,756.53 × 12,325,604.46
  4. Step 4: Simplify right side
    13,031,043.18x = 239,619,075,330,314.09
  5. Step 5: Solve for x
    x = 239,619,075,330,314.09/13,031,043.18
  6. Step 6: Final answer
    x = 18,388,326.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.