Home / 18,578,455.96-25,636,853.82-10,428,119.32

Finding the Fourth Proportional to 18,578,455.96, 25,636,853.82 and 10,428,119.32

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Solution

The fourth proportional to 18,578,455.96, 25,636,853.82 and 10,428,119.32 is: 14,390,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578,455.96 : 25,636,853.82 = 10,428,119.32 : x
  2. Step 2: Convert to fraction form
    18,578,455.96/25,636,853.82 = 10,428,119.32/x
  3. Step 3: Cross multiply
    18,578,455.96x = 25,636,853.82 × 10,428,119.32
  4. Step 4: Simplify right side
    18,578,455.96x = 267,344,170,624,357.81
  5. Step 5: Solve for x
    x = 267,344,170,624,357.81/18,578,455.96
  6. Step 6: Final answer
    x = 14,390,010.19

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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.