Home / 9,155,090.40-13,738,856.40-5,111,570.40

Finding the Fourth Proportional to 9,155,090.40, 13,738,856.40 and 5,111,570.40

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Solution

The fourth proportional to 9,155,090.40, 13,738,856.40 and 5,111,570.40 is: 7,670,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155,090.40 : 13,738,856.40 = 5,111,570.40 : x
  2. Step 2: Convert to fraction form
    9,155,090.40/13,738,856.40 = 5,111,570.40/x
  3. Step 3: Cross multiply
    9,155,090.40x = 13,738,856.40 × 5,111,570.40
  4. Step 4: Simplify right side
    9,155,090.40x = 70,227,131,704,090.57
  5. Step 5: Solve for x
    x = 70,227,131,704,090.57/9,155,090.40
  6. Step 6: Final answer
    x = 7,670,828.87

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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.