Home / 20,240,746.56-30,312,470.03-11,578,586.31

Finding the Fourth Proportional to 20,240,746.56, 30,312,470.03 and 11,578,586.31

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Solution

The fourth proportional to 20,240,746.56, 30,312,470.03 and 11,578,586.31 is: 17,340,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240,746.56 : 30,312,470.03 = 11,578,586.31 : x
  2. Step 2: Convert to fraction form
    20,240,746.56/30,312,470.03 = 11,578,586.31/x
  3. Step 3: Cross multiply
    20,240,746.56x = 30,312,470.03 × 11,578,586.31
  4. Step 4: Simplify right side
    20,240,746.56x = 350,975,550,453,750.38
  5. Step 5: Solve for x
    x = 350,975,550,453,750.38/20,240,746.56
  6. Step 6: Final answer
    x = 17,340,049.66

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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.