Home / 40,287,632.40-60,431,448.60-28,170,777.60

Finding the Fourth Proportional to 40,287,632.40, 60,431,448.60 and 28,170,777.60

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Solution

The fourth proportional to 40,287,632.40, 60,431,448.60 and 28,170,777.60 is: 42,256,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287,632.40 : 60,431,448.60 = 28,170,777.60 : x
  2. Step 2: Convert to fraction form
    40,287,632.40/60,431,448.60 = 28,170,777.60/x
  3. Step 3: Cross multiply
    40,287,632.40x = 60,431,448.60 × 28,170,777.60
  4. Step 4: Simplify right side
    40,287,632.40x = 1,702,400,898,556,431.50
  5. Step 5: Solve for x
    x = 1,702,400,898,556,431.50/40,287,632.40
  6. Step 6: Final answer
    x = 42,256,166.40

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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.