Home / 20,838,257.36-28,747,634.88-12,573,710

Finding the Fourth Proportional to 20,838,257.36, 28,747,634.88 and 12,573,710

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Solution

The fourth proportional to 20,838,257.36, 28,747,634.88 and 12,573,710 is: 17,346,192.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,838,257.36 : 28,747,634.88 = 12,573,710 : x
  2. Step 2: Convert to fraction form
    20,838,257.36/28,747,634.88 = 12,573,710/x
  3. Step 3: Cross multiply
    20,838,257.36x = 28,747,634.88 × 12,573,710
  4. Step 4: Simplify right side
    20,838,257.36x = 361,464,424,167,004.81
  5. Step 5: Solve for x
    x = 361,464,424,167,004.81/20,838,257.36
  6. Step 6: Final answer
    x = 17,346,192.53

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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.