Home / 20,352,047.20-30,528,070.80-20,210,329.60

Finding the Fourth Proportional to 20,352,047.20, 30,528,070.80 and 20,210,329.60

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Solution

The fourth proportional to 20,352,047.20, 30,528,070.80 and 20,210,329.60 is: 30,315,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352,047.20 : 30,528,070.80 = 20,210,329.60 : x
  2. Step 2: Convert to fraction form
    20,352,047.20/30,528,070.80 = 20,210,329.60/x
  3. Step 3: Cross multiply
    20,352,047.20x = 30,528,070.80 × 20,210,329.60
  4. Step 4: Simplify right side
    20,352,047.20x = 616,982,372,920,135.75
  5. Step 5: Solve for x
    x = 616,982,372,920,135.75/20,352,047.20
  6. Step 6: Final answer
    x = 30,315,494.40

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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.