Home / 20,152,055.20-30,287,065.20-17,556,829.60

Finding the Fourth Proportional to 20,152,055.20, 30,287,065.20 and 17,556,829.60

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Solution

The fourth proportional to 20,152,055.20, 30,287,065.20 and 17,556,829.60 is: 26,386,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152,055.20 : 30,287,065.20 = 17,556,829.60 : x
  2. Step 2: Convert to fraction form
    20,152,055.20/30,287,065.20 = 17,556,829.60/x
  3. Step 3: Cross multiply
    20,152,055.20x = 30,287,065.20 × 17,556,829.60
  4. Step 4: Simplify right side
    20,152,055.20x = 531,744,842,800,489.94
  5. Step 5: Solve for x
    x = 531,744,842,800,489.94/20,152,055.20
  6. Step 6: Final answer
    x = 26,386,630.92

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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.