Home / 18,473,015.18-25,492,007.82-10,212,551.72

Finding the Fourth Proportional to 18,473,015.18, 25,492,007.82 and 10,212,551.72

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Solution

The fourth proportional to 18,473,015.18, 25,492,007.82 and 10,212,551.72 is: 14,092,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473,015.18 : 25,492,007.82 = 10,212,551.72 : x
  2. Step 2: Convert to fraction form
    18,473,015.18/25,492,007.82 = 10,212,551.72/x
  3. Step 3: Cross multiply
    18,473,015.18x = 25,492,007.82 × 10,212,551.72
  4. Step 4: Simplify right side
    18,473,015.18x = 260,338,448,308,394.47
  5. Step 5: Solve for x
    x = 260,338,448,308,394.47/18,473,015.18
  6. Step 6: Final answer
    x = 14,092,905.02

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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.