Home / 21,590,765.64-29,795,213.40-12,298,332.14

Finding the Fourth Proportional to 21,590,765.64, 29,795,213.40 and 12,298,332.14

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Solution

The fourth proportional to 21,590,765.64, 29,795,213.40 and 12,298,332.14 is: 16,971,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590,765.64 : 29,795,213.40 = 12,298,332.14 : x
  2. Step 2: Convert to fraction form
    21,590,765.64/29,795,213.40 = 12,298,332.14/x
  3. Step 3: Cross multiply
    21,590,765.64x = 29,795,213.40 × 12,298,332.14
  4. Step 4: Simplify right side
    21,590,765.64x = 366,431,430,575,378.69
  5. Step 5: Solve for x
    x = 366,431,430,575,378.69/21,590,765.64
  6. Step 6: Final answer
    x = 16,971,673.76

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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.