Home / 12,356,031.40-18,535,796.70-3,835,479.40

Finding the Fourth Proportional to 12,356,031.40, 18,535,796.70 and 3,835,479.40

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Solution

The fourth proportional to 12,356,031.40, 18,535,796.70 and 3,835,479.40 is: 5,753,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,031.40 : 18,535,796.70 = 3,835,479.40 : x
  2. Step 2: Convert to fraction form
    12,356,031.40/18,535,796.70 = 3,835,479.40/x
  3. Step 3: Cross multiply
    12,356,031.40x = 18,535,796.70 × 3,835,479.40
  4. Step 4: Simplify right side
    12,356,031.40x = 71,093,666,405,437.97
  5. Step 5: Solve for x
    x = 71,093,666,405,437.97/12,356,031.40
  6. Step 6: Final answer
    x = 5,753,762.20

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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.