Home / 14,985,322.37-20,679,744.67-8,109,804.43

Finding the Fourth Proportional to 14,985,322.37, 20,679,744.67 and 8,109,804.43

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Solution

The fourth proportional to 14,985,322.37, 20,679,744.67 and 8,109,804.43 is: 11,191,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,322.37 : 20,679,744.67 = 8,109,804.43 : x
  2. Step 2: Convert to fraction form
    14,985,322.37/20,679,744.67 = 8,109,804.43/x
  3. Step 3: Cross multiply
    14,985,322.37x = 20,679,744.67 × 8,109,804.43
  4. Step 4: Simplify right side
    14,985,322.37x = 167,708,684,941,029.97
  5. Step 5: Solve for x
    x = 167,708,684,941,029.97/14,985,322.37
  6. Step 6: Final answer
    x = 11,191,530.01

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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.