Home / 19,143,111.60-28,696,503.96-7,635,655.44

Finding the Fourth Proportional to 19,143,111.60, 28,696,503.96 and 7,635,655.44

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Solution

The fourth proportional to 19,143,111.60, 28,696,503.96 and 7,635,655.44 is: 11,446,238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143,111.60 : 28,696,503.96 = 7,635,655.44 : x
  2. Step 2: Convert to fraction form
    19,143,111.60/28,696,503.96 = 7,635,655.44/x
  3. Step 3: Cross multiply
    19,143,111.60x = 28,696,503.96 × 7,635,655.44
  4. Step 4: Simplify right side
    19,143,111.60x = 219,116,616,571,155.56
  5. Step 5: Solve for x
    x = 219,116,616,571,155.56/19,143,111.60
  6. Step 6: Final answer
    x = 11,446,238.27

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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.