Home / 12,811,228.56-19,217,065.58-4,720,039.36

Finding the Fourth Proportional to 12,811,228.56, 19,217,065.58 and 4,720,039.36

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Solution

The fourth proportional to 12,811,228.56, 19,217,065.58 and 4,720,039.36 is: 7,080,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,228.56 : 19,217,065.58 = 4,720,039.36 : x
  2. Step 2: Convert to fraction form
    12,811,228.56/19,217,065.58 = 4,720,039.36/x
  3. Step 3: Cross multiply
    12,811,228.56x = 19,217,065.58 × 4,720,039.36
  4. Step 4: Simplify right side
    12,811,228.56x = 90,705,305,921,301.23
  5. Step 5: Solve for x
    x = 90,705,305,921,301.23/12,811,228.56
  6. Step 6: Final answer
    x = 7,080,141.10

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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.