Home / 19,165,293.40-28,747,940.10-17,779,610.20

Finding the Fourth Proportional to 19,165,293.40, 28,747,940.10 and 17,779,610.20

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Solution

The fourth proportional to 19,165,293.40, 28,747,940.10 and 17,779,610.20 is: 26,669,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165,293.40 : 28,747,940.10 = 17,779,610.20 : x
  2. Step 2: Convert to fraction form
    19,165,293.40/28,747,940.10 = 17,779,610.20/x
  3. Step 3: Cross multiply
    19,165,293.40x = 28,747,940.10 × 17,779,610.20
  4. Step 4: Simplify right side
    19,165,293.40x = 511,127,169,030,949
  5. Step 5: Solve for x
    x = 511,127,169,030,949/19,165,293.40
  6. Step 6: Final answer
    x = 26,669,415.30

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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.