Home / 13,236,779.40-19,841,042.70-7,544,747.40

Finding the Fourth Proportional to 13,236,779.40, 19,841,042.70 and 7,544,747.40

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Solution

The fourth proportional to 13,236,779.40, 19,841,042.70 and 7,544,747.40 is: 11,309,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,779.40 : 19,841,042.70 = 7,544,747.40 : x
  2. Step 2: Convert to fraction form
    13,236,779.40/19,841,042.70 = 7,544,747.40/x
  3. Step 3: Cross multiply
    13,236,779.40x = 19,841,042.70 × 7,544,747.40
  4. Step 4: Simplify right side
    13,236,779.40x = 149,695,655,324,113.97
  5. Step 5: Solve for x
    x = 149,695,655,324,113.97/13,236,779.40
  6. Step 6: Final answer
    x = 11,309,069.28

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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.