Home / 14,078,100-19,427,778-7,639,572

Finding the Fourth Proportional to 14,078,100, 19,427,778 and 7,639,572

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Solution

The fourth proportional to 14,078,100, 19,427,778 and 7,639,572 is: 10,542,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,100 : 19,427,778 = 7,639,572 : x
  2. Step 2: Convert to fraction form
    14,078,100/19,427,778 = 7,639,572/x
  3. Step 3: Cross multiply
    14,078,100x = 19,427,778 × 7,639,572
  4. Step 4: Simplify right side
    14,078,100x = 148,419,908,831,016
  5. Step 5: Solve for x
    x = 148,419,908,831,016/14,078,100
  6. Step 6: Final answer
    x = 10,542,609.36

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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.