Home / 18,855,729.42-28,303,384.80-16,710,479.25

Finding the Fourth Proportional to 18,855,729.42, 28,303,384.80 and 16,710,479.25

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Solution

The fourth proportional to 18,855,729.42, 28,303,384.80 and 16,710,479.25 is: 25,083,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855,729.42 : 28,303,384.80 = 16,710,479.25 : x
  2. Step 2: Convert to fraction form
    18,855,729.42/28,303,384.80 = 16,710,479.25/x
  3. Step 3: Cross multiply
    18,855,729.42x = 28,303,384.80 × 16,710,479.25
  4. Step 4: Simplify right side
    18,855,729.42x = 472,963,124,405,165.44
  5. Step 5: Solve for x
    x = 472,963,124,405,165.44/18,855,729.42
  6. Step 6: Final answer
    x = 25,083,257.92

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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.