Home / 12,805,512.30-19,208,300.99-5,232,478.05

Finding the Fourth Proportional to 12,805,512.30, 19,208,300.99 and 5,232,478.05

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Solution

The fourth proportional to 12,805,512.30, 19,208,300.99 and 5,232,478.05 is: 7,848,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,512.30 : 19,208,300.99 = 5,232,478.05 : x
  2. Step 2: Convert to fraction form
    12,805,512.30/19,208,300.99 = 5,232,478.05/x
  3. Step 3: Cross multiply
    12,805,512.30x = 19,208,300.99 × 5,232,478.05
  4. Step 4: Simplify right side
    12,805,512.30x = 100,507,013,281,805.88
  5. Step 5: Solve for x
    x = 100,507,013,281,805.88/12,805,512.30
  6. Step 6: Final answer
    x = 7,848,730.37

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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.