Home / 21,623,128.55-29,839,518.47-11,833,376.39

Finding the Fourth Proportional to 21,623,128.55, 29,839,518.47 and 11,833,376.39

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Solution

The fourth proportional to 21,623,128.55, 29,839,518.47 and 11,833,376.39 is: 16,329,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623,128.55 : 29,839,518.47 = 11,833,376.39 : x
  2. Step 2: Convert to fraction form
    21,623,128.55/29,839,518.47 = 11,833,376.39/x
  3. Step 3: Cross multiply
    21,623,128.55x = 29,839,518.47 × 11,833,376.39
  4. Step 4: Simplify right side
    21,623,128.55x = 353,102,253,351,866.94
  5. Step 5: Solve for x
    x = 353,102,253,351,866.94/21,623,128.55
  6. Step 6: Final answer
    x = 16,329,841.10

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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.