Home / 30,860,731.52-46,298,794.62-21,780,564.92

Finding the Fourth Proportional to 30,860,731.52, 46,298,794.62 and 21,780,564.92

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Solution

The fourth proportional to 30,860,731.52, 46,298,794.62 and 21,780,564.92 is: 32,676,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860,731.52 : 46,298,794.62 = 21,780,564.92 : x
  2. Step 2: Convert to fraction form
    30,860,731.52/46,298,794.62 = 21,780,564.92/x
  3. Step 3: Cross multiply
    30,860,731.52x = 46,298,794.62 × 21,780,564.92
  4. Step 4: Simplify right side
    30,860,731.52x = 1,008,413,901,938,656.75
  5. Step 5: Solve for x
    x = 1,008,413,901,938,656.75/30,860,731.52
  6. Step 6: Final answer
    x = 32,676,279.93

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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.