Home / 13,728,332.32-18,945,100.92-7,616,746.24

Finding the Fourth Proportional to 13,728,332.32, 18,945,100.92 and 7,616,746.24

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Solution

The fourth proportional to 13,728,332.32, 18,945,100.92 and 7,616,746.24 is: 10,511,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728,332.32 : 18,945,100.92 = 7,616,746.24 : x
  2. Step 2: Convert to fraction form
    13,728,332.32/18,945,100.92 = 7,616,746.24/x
  3. Step 3: Cross multiply
    13,728,332.32x = 18,945,100.92 × 7,616,746.24
  4. Step 4: Simplify right side
    13,728,332.32x = 144,300,026,198,830.56
  5. Step 5: Solve for x
    x = 144,300,026,198,830.56/13,728,332.32
  6. Step 6: Final answer
    x = 10,511,111.10

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1.5x scale

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.