Home / 20,352,048.20-30,528,072.30-20,210,330.60

Finding the Fourth Proportional to 20,352,048.20, 30,528,072.30 and 20,210,330.60

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Solution

The fourth proportional to 20,352,048.20, 30,528,072.30 and 20,210,330.60 is: 30,315,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352,048.20 : 30,528,072.30 = 20,210,330.60 : x
  2. Step 2: Convert to fraction form
    20,352,048.20/30,528,072.30 = 20,210,330.60/x
  3. Step 3: Cross multiply
    20,352,048.20x = 30,528,072.30 × 20,210,330.60
  4. Step 4: Simplify right side
    20,352,048.20x = 616,982,433,763,702.50
  5. Step 5: Solve for x
    x = 616,982,433,763,702.50/20,352,048.20
  6. Step 6: Final answer
    x = 30,315,495.90

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1.5x scale

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.