Home / 13,570,018.32-18,726,769.96-7,375,065

Finding the Fourth Proportional to 13,570,018.32, 18,726,769.96 and 7,375,065

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Solution

The fourth proportional to 13,570,018.32, 18,726,769.96 and 7,375,065 is: 10,177,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570,018.32 : 18,726,769.96 = 7,375,065 : x
  2. Step 2: Convert to fraction form
    13,570,018.32/18,726,769.96 = 7,375,065/x
  3. Step 3: Cross multiply
    13,570,018.32x = 18,726,769.96 × 7,375,065
  4. Step 4: Simplify right side
    13,570,018.32x = 138,111,145,695,047.41
  5. Step 5: Solve for x
    x = 138,111,145,695,047.41/13,570,018.32
  6. Step 6: Final answer
    x = 10,177,668.33

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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.