Home / 31,104,121.20-46,656,181.80-9,828,985.20

Finding the Fourth Proportional to 31,104,121.20, 46,656,181.80 and 9,828,985.20

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Solution

The fourth proportional to 31,104,121.20, 46,656,181.80 and 9,828,985.20 is: 14,743,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104,121.20 : 46,656,181.80 = 9,828,985.20 : x
  2. Step 2: Convert to fraction form
    31,104,121.20/46,656,181.80 = 9,828,985.20/x
  3. Step 3: Cross multiply
    31,104,121.20x = 46,656,181.80 × 9,828,985.20
  4. Step 4: Simplify right side
    31,104,121.20x = 458,582,920,400,709.31
  5. Step 5: Solve for x
    x = 458,582,920,400,709.31/31,104,121.20
  6. Step 6: Final answer
    x = 14,743,477.80

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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.