Home / 18,788,303.20-25,927,419.72-11,053,844.32

Finding the Fourth Proportional to 18,788,303.20, 25,927,419.72 and 11,053,844.32

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Solution

The fourth proportional to 18,788,303.20, 25,927,419.72 and 11,053,844.32 is: 15,254,047.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788,303.20 : 25,927,419.72 = 11,053,844.32 : x
  2. Step 2: Convert to fraction form
    18,788,303.20/25,927,419.72 = 11,053,844.32/x
  3. Step 3: Cross multiply
    18,788,303.20x = 25,927,419.72 × 11,053,844.32
  4. Step 4: Simplify right side
    18,788,303.20x = 286,597,661,204,178
  5. Step 5: Solve for x
    x = 286,597,661,204,178/18,788,303.20
  6. Step 6: Final answer
    x = 15,254,047.06

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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.