Home / 12,549,921.05-18,832,844.98-5,361,509.02

Finding the Fourth Proportional to 12,549,921.05, 18,832,844.98 and 5,361,509.02

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Solution

The fourth proportional to 12,549,921.05, 18,832,844.98 and 5,361,509.02 is: 8,045,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549,921.05 : 18,832,844.98 = 5,361,509.02 : x
  2. Step 2: Convert to fraction form
    12,549,921.05/18,832,844.98 = 5,361,509.02/x
  3. Step 3: Cross multiply
    12,549,921.05x = 18,832,844.98 × 5,361,509.02
  4. Step 4: Simplify right side
    12,549,921.05x = 100,972,468,242,545
  5. Step 5: Solve for x
    x = 100,972,468,242,545/12,549,921.05
  6. Step 6: Final answer
    x = 8,045,665.62

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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.