Home / 20,227,551.62-30,331,894.83-10,509,552.08

Finding the Fourth Proportional to 20,227,551.62, 30,331,894.83 and 10,509,552.08

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Solution

The fourth proportional to 20,227,551.62, 30,331,894.83 and 10,509,552.08 is: 15,759,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,551.62 : 30,331,894.83 = 10,509,552.08 : x
  2. Step 2: Convert to fraction form
    20,227,551.62/30,331,894.83 = 10,509,552.08/x
  3. Step 3: Cross multiply
    20,227,551.62x = 30,331,894.83 × 10,509,552.08
  4. Step 4: Simplify right side
    20,227,551.62x = 318,774,628,249,308.25
  5. Step 5: Solve for x
    x = 318,774,628,249,308.25/20,227,551.62
  6. Step 6: Final answer
    x = 15,759,427.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.