Home / 11,819,632.40-17,729,448.60-8,012,502.80

Finding the Fourth Proportional to 11,819,632.40, 17,729,448.60 and 8,012,502.80

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Solution

The fourth proportional to 11,819,632.40, 17,729,448.60 and 8,012,502.80 is: 12,018,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819,632.40 : 17,729,448.60 = 8,012,502.80 : x
  2. Step 2: Convert to fraction form
    11,819,632.40/17,729,448.60 = 8,012,502.80/x
  3. Step 3: Cross multiply
    11,819,632.40x = 17,729,448.60 × 8,012,502.80
  4. Step 4: Simplify right side
    11,819,632.40x = 142,057,256,549,956.09
  5. Step 5: Solve for x
    x = 142,057,256,549,956.09/11,819,632.40
  6. Step 6: Final answer
    x = 12,018,754.20

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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.