Home / 20,203,746.57-27,824,490.23-18,907,001.37

Finding the Fourth Proportional to 20,203,746.57, 27,824,490.23 and 18,907,001.37

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Solution

The fourth proportional to 20,203,746.57, 27,824,490.23 and 18,907,001.37 is: 26,038,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203,746.57 : 27,824,490.23 = 18,907,001.37 : x
  2. Step 2: Convert to fraction form
    20,203,746.57/27,824,490.23 = 18,907,001.37/x
  3. Step 3: Cross multiply
    20,203,746.57x = 27,824,490.23 × 18,907,001.37
  4. Step 4: Simplify right side
    20,203,746.57x = 526,077,674,803,626.69
  5. Step 5: Solve for x
    x = 526,077,674,803,626.69/20,203,746.57
  6. Step 6: Final answer
    x = 26,038,619.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.