Home / 43,578,031.40-65,360,048.70-13,278,847.40

Finding the Fourth Proportional to 43,578,031.40, 65,360,048.70 and 13,278,847.40

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Solution

The fourth proportional to 43,578,031.40, 65,360,048.70 and 13,278,847.40 is: 19,916,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578,031.40 : 65,360,048.70 = 13,278,847.40 : x
  2. Step 2: Convert to fraction form
    43,578,031.40/65,360,048.70 = 13,278,847.40/x
  3. Step 3: Cross multiply
    43,578,031.40x = 65,360,048.70 × 13,278,847.40
  4. Step 4: Simplify right side
    43,578,031.40x = 867,906,112,743,868.50
  5. Step 5: Solve for x
    x = 867,906,112,743,868.50/43,578,031.40
  6. Step 6: Final answer
    x = 19,916,138.59

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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.