Home / 13,739,322.40-20,707,739.80-11,843,120.32

Finding the Fourth Proportional to 13,739,322.40, 20,707,739.80 and 11,843,120.32

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Solution

The fourth proportional to 13,739,322.40, 20,707,739.80 and 11,843,120.32 is: 17,849,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,322.40 : 20,707,739.80 = 11,843,120.32 : x
  2. Step 2: Convert to fraction form
    13,739,322.40/20,707,739.80 = 11,843,120.32/x
  3. Step 3: Cross multiply
    13,739,322.40x = 20,707,739.80 × 11,843,120.32
  4. Step 4: Simplify right side
    13,739,322.40x = 245,244,254,006,652.75
  5. Step 5: Solve for x
    x = 245,244,254,006,652.75/13,739,322.40
  6. Step 6: Final answer
    x = 17,849,807.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.