Home / 18,193,852.66-25,107,326.25-9,933,889.34

Finding the Fourth Proportional to 18,193,852.66, 25,107,326.25 and 9,933,889.34

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Solution

The fourth proportional to 18,193,852.66, 25,107,326.25 and 9,933,889.34 is: 13,708,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,852.66 : 25,107,326.25 = 9,933,889.34 : x
  2. Step 2: Convert to fraction form
    18,193,852.66/25,107,326.25 = 9,933,889.34/x
  3. Step 3: Cross multiply
    18,193,852.66x = 25,107,326.25 × 9,933,889.34
  4. Step 4: Simplify right side
    18,193,852.66x = 249,413,400,590,777.16
  5. Step 5: Solve for x
    x = 249,413,400,590,777.16/18,193,852.66
  6. Step 6: Final answer
    x = 13,708,663.32

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Double scale
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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.