Home / 21,980,818.45-30,298,492.73-17,327,019.16

Finding the Fourth Proportional to 21,980,818.45, 30,298,492.73 and 17,327,019.16

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Solution

The fourth proportional to 21,980,818.45, 30,298,492.73 and 17,327,019.16 is: 23,883,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,980,818.45 : 30,298,492.73 = 17,327,019.16 : x
  2. Step 2: Convert to fraction form
    21,980,818.45/30,298,492.73 = 17,327,019.16/x
  3. Step 3: Cross multiply
    21,980,818.45x = 30,298,492.73 × 17,327,019.16
  4. Step 4: Simplify right side
    21,980,818.45x = 524,982,563,813,703.19
  5. Step 5: Solve for x
    x = 524,982,563,813,703.19/21,980,818.45
  6. Step 6: Final answer
    x = 23,883,667.71

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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.