Home / 12,261,929.80-16,920,192.72-7,551,580

Finding the Fourth Proportional to 12,261,929.80, 16,920,192.72 and 7,551,580

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Solution

The fourth proportional to 12,261,929.80, 16,920,192.72 and 7,551,580 is: 10,420,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261,929.80 : 16,920,192.72 = 7,551,580 : x
  2. Step 2: Convert to fraction form
    12,261,929.80/16,920,192.72 = 7,551,580/x
  3. Step 3: Cross multiply
    12,261,929.80x = 16,920,192.72 × 7,551,580
  4. Step 4: Simplify right side
    12,261,929.80x = 127,774,188,940,497.59
  5. Step 5: Solve for x
    x = 127,774,188,940,497.59/12,261,929.80
  6. Step 6: Final answer
    x = 10,420,398.01

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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.