Home / 18,519,779.52-25,557,294.90-10,147,182.90

Finding the Fourth Proportional to 18,519,779.52, 25,557,294.90 and 10,147,182.90

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Solution

The fourth proportional to 18,519,779.52, 25,557,294.90 and 10,147,182.90 is: 14,003,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,779.52 : 25,557,294.90 = 10,147,182.90 : x
  2. Step 2: Convert to fraction form
    18,519,779.52/25,557,294.90 = 10,147,182.90/x
  3. Step 3: Cross multiply
    18,519,779.52x = 25,557,294.90 × 10,147,182.90
  4. Step 4: Simplify right side
    18,519,779.52x = 259,334,545,779,537.22
  5. Step 5: Solve for x
    x = 259,334,545,779,537.22/18,519,779.52
  6. Step 6: Final answer
    x = 14,003,111.94

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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.