Home / 19,894,356.40-29,839,825.21-12,111,250.77

Finding the Fourth Proportional to 19,894,356.40, 29,839,825.21 and 12,111,250.77

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Solution

The fourth proportional to 19,894,356.40, 29,839,825.21 and 12,111,250.77 is: 18,165,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894,356.40 : 29,839,825.21 = 12,111,250.77 : x
  2. Step 2: Convert to fraction form
    19,894,356.40/29,839,825.21 = 12,111,250.77/x
  3. Step 3: Cross multiply
    19,894,356.40x = 29,839,825.21 × 12,111,250.77
  4. Step 4: Simplify right side
    19,894,356.40x = 361,397,606,095,599.38
  5. Step 5: Solve for x
    x = 361,397,606,095,599.38/19,894,356.40
  6. Step 6: Final answer
    x = 18,165,835.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.