Home / 15,673,877.31-21,627,992.08-8,703,607.16

Finding the Fourth Proportional to 15,673,877.31, 21,627,992.08 and 8,703,607.16

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Solution

The fourth proportional to 15,673,877.31, 21,627,992.08 and 8,703,607.16 is: 12,009,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673,877.31 : 21,627,992.08 = 8,703,607.16 : x
  2. Step 2: Convert to fraction form
    15,673,877.31/21,627,992.08 = 8,703,607.16/x
  3. Step 3: Cross multiply
    15,673,877.31x = 21,627,992.08 × 8,703,607.16
  4. Step 4: Simplify right side
    15,673,877.31x = 188,241,546,723,911.28
  5. Step 5: Solve for x
    x = 188,241,546,723,911.28/15,673,877.31
  6. Step 6: Final answer
    x = 12,009,890.28

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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.