Home / 21,315,780,321.06-29,414,611,470.49-11,668,644,041.16

Finding the Fourth Proportional to 21,315,780,321.06, 29,414,611,470.49 and 11,668,644,041.16

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Solution

The fourth proportional to 21,315,780,321.06, 29,414,611,470.49 and 11,668,644,041.16 is: 16,102,090,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,780,321.06 : 29,414,611,470.49 = 11,668,644,041.16 : x
  2. Step 2: Convert to fraction form
    21,315,780,321.06/29,414,611,470.49 = 11,668,644,041.16/x
  3. Step 3: Cross multiply
    21,315,780,321.06x = 29,414,611,470.49 × 11,668,644,041.16
  4. Step 4: Simplify right side
    21,315,780,321.06x = 343,228,630,858,169,712,640
  5. Step 5: Solve for x
    x = 343,228,630,858,169,712,640/21,315,780,321.06
  6. Step 6: Final answer
    x = 16,102,090,830.76

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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.