Home / 14,078,101-19,427,779.38-7,639,573

Finding the Fourth Proportional to 14,078,101, 19,427,779.38 and 7,639,573

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Solution

The fourth proportional to 14,078,101, 19,427,779.38 and 7,639,573 is: 10,542,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,101 : 19,427,779.38 = 7,639,573 : x
  2. Step 2: Convert to fraction form
    14,078,101/19,427,779.38 = 7,639,573/x
  3. Step 3: Cross multiply
    14,078,101x = 19,427,779.38 × 7,639,573
  4. Step 4: Simplify right side
    14,078,101x = 148,419,938,801,404.72
  5. Step 5: Solve for x
    x = 148,419,938,801,404.72/14,078,101
  6. Step 6: Final answer
    x = 10,542,610.74

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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.