Home / 28,118,033.28-42,168,782.08-11,943,856

Finding the Fourth Proportional to 28,118,033.28, 42,168,782.08 and 11,943,856

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Solution

The fourth proportional to 28,118,033.28, 42,168,782.08 and 11,943,856 is: 17,912,272.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,118,033.28 : 42,168,782.08 = 11,943,856 : x
  2. Step 2: Convert to fraction form
    28,118,033.28/42,168,782.08 = 11,943,856/x
  3. Step 3: Cross multiply
    28,118,033.28x = 42,168,782.08 × 11,943,856
  4. Step 4: Simplify right side
    28,118,033.28x = 503,657,860,858,900.44
  5. Step 5: Solve for x
    x = 503,657,860,858,900.44/28,118,033.28
  6. Step 6: Final answer
    x = 17,912,272.02

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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.