Home / 14,509,291.47-20,023,132.32-7,982,939.67

Finding the Fourth Proportional to 14,509,291.47, 20,023,132.32 and 7,982,939.67

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Solution

The fourth proportional to 14,509,291.47, 20,023,132.32 and 7,982,939.67 is: 11,016,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509,291.47 : 20,023,132.32 = 7,982,939.67 : x
  2. Step 2: Convert to fraction form
    14,509,291.47/20,023,132.32 = 7,982,939.67/x
  3. Step 3: Cross multiply
    14,509,291.47x = 20,023,132.32 × 7,982,939.67
  4. Step 4: Simplify right side
    14,509,291.47x = 159,843,457,314,987.12
  5. Step 5: Solve for x
    x = 159,843,457,314,987.12/14,509,291.47
  6. Step 6: Final answer
    x = 11,016,627.36

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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.