Home / 19,874,711.70-29,820,924.90-9,086,459.40

Finding the Fourth Proportional to 19,874,711.70, 29,820,924.90 and 9,086,459.40

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Solution

The fourth proportional to 19,874,711.70, 29,820,924.90 and 9,086,459.40 is: 13,633,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874,711.70 : 29,820,924.90 = 9,086,459.40 : x
  2. Step 2: Convert to fraction form
    19,874,711.70/29,820,924.90 = 9,086,459.40/x
  3. Step 3: Cross multiply
    19,874,711.70x = 29,820,924.90 × 9,086,459.40
  4. Step 4: Simplify right side
    19,874,711.70x = 270,966,623,374,299.06
  5. Step 5: Solve for x
    x = 270,966,623,374,299.06/19,874,711.70
  6. Step 6: Final answer
    x = 13,633,738.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.