Home / 19,288,223.40-28,965,512.70-13,648,031.40

Finding the Fourth Proportional to 19,288,223.40, 28,965,512.70 and 13,648,031.40

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Solution

The fourth proportional to 19,288,223.40, 28,965,512.70 and 13,648,031.40 is: 20,495,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288,223.40 : 28,965,512.70 = 13,648,031.40 : x
  2. Step 2: Convert to fraction form
    19,288,223.40/28,965,512.70 = 13,648,031.40/x
  3. Step 3: Cross multiply
    19,288,223.40x = 28,965,512.70 × 13,648,031.40
  4. Step 4: Simplify right side
    19,288,223.40x = 395,322,226,846,698.75
  5. Step 5: Solve for x
    x = 395,322,226,846,698.75/19,288,223.40
  6. Step 6: Final answer
    x = 20,495,523.03

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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.