Home / 20,736,066.40-31,104,099.60-10,532,399.20

Finding the Fourth Proportional to 20,736,066.40, 31,104,099.60 and 10,532,399.20

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Solution

The fourth proportional to 20,736,066.40, 31,104,099.60 and 10,532,399.20 is: 15,798,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,066.40 : 31,104,099.60 = 10,532,399.20 : x
  2. Step 2: Convert to fraction form
    20,736,066.40/31,104,099.60 = 10,532,399.20/x
  3. Step 3: Cross multiply
    20,736,066.40x = 31,104,099.60 × 10,532,399.20
  4. Step 4: Simplify right side
    20,736,066.40x = 327,600,793,743,760.31
  5. Step 5: Solve for x
    x = 327,600,793,743,760.31/20,736,066.40
  6. Step 6: Final answer
    x = 15,798,598.80

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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.