Home / 20,052,428.32-27,672,386.16-10,885,077.28

Finding the Fourth Proportional to 20,052,428.32, 27,672,386.16 and 10,885,077.28

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Solution

The fourth proportional to 20,052,428.32, 27,672,386.16 and 10,885,077.28 is: 15,021,425.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052,428.32 : 27,672,386.16 = 10,885,077.28 : x
  2. Step 2: Convert to fraction form
    20,052,428.32/27,672,386.16 = 10,885,077.28/x
  3. Step 3: Cross multiply
    20,052,428.32x = 27,672,386.16 × 10,885,077.28
  4. Step 4: Simplify right side
    20,052,428.32x = 301,216,061,873,602.44
  5. Step 5: Solve for x
    x = 301,216,061,873,602.44/20,052,428.32
  6. Step 6: Final answer
    x = 15,021,425.69

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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.