Home / 15,475,720.96-21,354,799.26-8,948,362.69

Finding the Fourth Proportional to 15,475,720.96, 21,354,799.26 and 8,948,362.69

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Solution

The fourth proportional to 15,475,720.96, 21,354,799.26 and 8,948,362.69 is: 12,347,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475,720.96 : 21,354,799.26 = 8,948,362.69 : x
  2. Step 2: Convert to fraction form
    15,475,720.96/21,354,799.26 = 8,948,362.69/x
  3. Step 3: Cross multiply
    15,475,720.96x = 21,354,799.26 × 8,948,362.69
  4. Step 4: Simplify right side
    15,475,720.96x = 191,090,488,950,623.62
  5. Step 5: Solve for x
    x = 191,090,488,950,623.62/15,475,720.96
  6. Step 6: Final answer
    x = 12,347,760.05

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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.