Home / 21,886,549.91-30,203,557.62-11,963,445.93

Finding the Fourth Proportional to 21,886,549.91, 30,203,557.62 and 11,963,445.93

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Solution

The fourth proportional to 21,886,549.91, 30,203,557.62 and 11,963,445.93 is: 16,509,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,886,549.91 : 30,203,557.62 = 11,963,445.93 : x
  2. Step 2: Convert to fraction form
    21,886,549.91/30,203,557.62 = 11,963,445.93/x
  3. Step 3: Cross multiply
    21,886,549.91x = 30,203,557.62 × 11,963,445.93
  4. Step 4: Simplify right side
    21,886,549.91x = 361,338,628,480,509.50
  5. Step 5: Solve for x
    x = 361,338,628,480,509.50/21,886,549.91
  6. Step 6: Final answer
    x = 16,509,620.29

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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.