Home / 21,498,048.20-29,669,977.28-12,208,602.22

Finding the Fourth Proportional to 21,498,048.20, 29,669,977.28 and 12,208,602.22

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Solution

The fourth proportional to 21,498,048.20, 29,669,977.28 and 12,208,602.22 is: 16,849,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498,048.20 : 29,669,977.28 = 12,208,602.22 : x
  2. Step 2: Convert to fraction form
    21,498,048.20/29,669,977.28 = 12,208,602.22/x
  3. Step 3: Cross multiply
    21,498,048.20x = 29,669,977.28 × 12,208,602.22
  4. Step 4: Simplify right side
    21,498,048.20x = 362,228,950,444,304.06
  5. Step 5: Solve for x
    x = 362,228,950,444,304.06/21,498,048.20
  6. Step 6: Final answer
    x = 16,849,387.77

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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.