Home / 21,636,603.10-29,858,285.65-11,713,263.84

Finding the Fourth Proportional to 21,636,603.10, 29,858,285.65 and 11,713,263.84

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Solution

The fourth proportional to 21,636,603.10, 29,858,285.65 and 11,713,263.84 is: 16,164,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,636,603.10 : 29,858,285.65 = 11,713,263.84 : x
  2. Step 2: Convert to fraction form
    21,636,603.10/29,858,285.65 = 11,713,263.84/x
  3. Step 3: Cross multiply
    21,636,603.10x = 29,858,285.65 × 11,713,263.84
  4. Step 4: Simplify right side
    21,636,603.10x = 349,737,977,628,535.88
  5. Step 5: Solve for x
    x = 349,737,977,628,535.88/21,636,603.10
  6. Step 6: Final answer
    x = 16,164,181.41

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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.