Home / 13,928,914.11-19,220,964.75-7,733,640.63

Finding the Fourth Proportional to 13,928,914.11, 19,220,964.75 and 7,733,640.63

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Solution

The fourth proportional to 13,928,914.11, 19,220,964.75 and 7,733,640.63 is: 10,671,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928,914.11 : 19,220,964.75 = 7,733,640.63 : x
  2. Step 2: Convert to fraction form
    13,928,914.11/19,220,964.75 = 7,733,640.63/x
  3. Step 3: Cross multiply
    13,928,914.11x = 19,220,964.75 × 7,733,640.63
  4. Step 4: Simplify right side
    13,928,914.11x = 148,648,033,938,397.78
  5. Step 5: Solve for x
    x = 148,648,033,938,397.78/13,928,914.11
  6. Step 6: Final answer
    x = 10,671,903.98

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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.