Home / 13,011,190.80-19,502,789.40-4,921,040.40

Finding the Fourth Proportional to 13,011,190.80, 19,502,789.40 and 4,921,040.40

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Solution

The fourth proportional to 13,011,190.80, 19,502,789.40 and 4,921,040.40 is: 7,376,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,190.80 : 19,502,789.40 = 4,921,040.40 : x
  2. Step 2: Convert to fraction form
    13,011,190.80/19,502,789.40 = 4,921,040.40/x
  3. Step 3: Cross multiply
    13,011,190.80x = 19,502,789.40 × 4,921,040.40
  4. Step 4: Simplify right side
    13,011,190.80x = 95,974,014,550,091.77
  5. Step 5: Solve for x
    x = 95,974,014,550,091.77/13,011,190.80
  6. Step 6: Final answer
    x = 7,376,266.79

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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.