Home / 13,791,041.63-19,031,636.54-7,993,186.39

Finding the Fourth Proportional to 13,791,041.63, 19,031,636.54 and 7,993,186.39

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Solution

The fourth proportional to 13,791,041.63, 19,031,636.54 and 7,993,186.39 is: 11,030,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,041.63 : 19,031,636.54 = 7,993,186.39 : x
  2. Step 2: Convert to fraction form
    13,791,041.63/19,031,636.54 = 7,993,186.39/x
  3. Step 3: Cross multiply
    13,791,041.63x = 19,031,636.54 × 7,993,186.39
  4. Step 4: Simplify right side
    13,791,041.63x = 152,123,418,170,954.69
  5. Step 5: Solve for x
    x = 152,123,418,170,954.69/13,791,041.63
  6. Step 6: Final answer
    x = 11,030,596.69

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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.