Home / 20,894,107.84-28,833,868.75-11,726,750.59

Finding the Fourth Proportional to 20,894,107.84, 28,833,868.75 and 11,726,750.59

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Solution

The fourth proportional to 20,894,107.84, 28,833,868.75 and 11,726,750.59 is: 16,182,915.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894,107.84 : 28,833,868.75 = 11,726,750.59 : x
  2. Step 2: Convert to fraction form
    20,894,107.84/28,833,868.75 = 11,726,750.59/x
  3. Step 3: Cross multiply
    20,894,107.84x = 28,833,868.75 × 11,726,750.59
  4. Step 4: Simplify right side
    20,894,107.84x = 338,127,587,274,643.50
  5. Step 5: Solve for x
    x = 338,127,587,274,643.50/20,894,107.84
  6. Step 6: Final answer
    x = 16,182,915.77

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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.