Home / 28,731,226.71-39,649,930.19-15,679,326.32

Finding the Fourth Proportional to 28,731,226.71, 39,649,930.19 and 15,679,326.32

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Solution

The fourth proportional to 28,731,226.71, 39,649,930.19 and 15,679,326.32 is: 21,637,927.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731,226.71 : 39,649,930.19 = 15,679,326.32 : x
  2. Step 2: Convert to fraction form
    28,731,226.71/39,649,930.19 = 15,679,326.32/x
  3. Step 3: Cross multiply
    28,731,226.71x = 39,649,930.19 × 15,679,326.32
  4. Step 4: Simplify right side
    28,731,226.71x = 621,684,194,014,229.62
  5. Step 5: Solve for x
    x = 621,684,194,014,229.62/28,731,226.71
  6. Step 6: Final answer
    x = 21,637,927.27

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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.