Home / 32,698,480.80-45,120,515.76-20,137,548

Finding the Fourth Proportional to 32,698,480.80, 45,120,515.76 and 20,137,548

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Solution

The fourth proportional to 32,698,480.80, 45,120,515.76 and 20,137,548 is: 27,787,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,698,480.80 : 45,120,515.76 = 20,137,548 : x
  2. Step 2: Convert to fraction form
    32,698,480.80/45,120,515.76 = 20,137,548/x
  3. Step 3: Cross multiply
    32,698,480.80x = 45,120,515.76 × 20,137,548
  4. Step 4: Simplify right side
    32,698,480.80x = 908,616,551,901,756.50
  5. Step 5: Solve for x
    x = 908,616,551,901,756.50/32,698,480.80
  6. Step 6: Final answer
    x = 27,787,729.88

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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.