Home / 20,163,405.36-27,827,164.08-11,464,316.40

Finding the Fourth Proportional to 20,163,405.36, 27,827,164.08 and 11,464,316.40

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Solution

The fourth proportional to 20,163,405.36, 27,827,164.08 and 11,464,316.40 is: 15,821,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163,405.36 : 27,827,164.08 = 11,464,316.40 : x
  2. Step 2: Convert to fraction form
    20,163,405.36/27,827,164.08 = 11,464,316.40/x
  3. Step 3: Cross multiply
    20,163,405.36x = 27,827,164.08 × 11,464,316.40
  4. Step 4: Simplify right side
    20,163,405.36x = 319,019,413,527,834.88
  5. Step 5: Solve for x
    x = 319,019,413,527,834.88/20,163,405.36
  6. Step 6: Final answer
    x = 15,821,703.12

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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.