Home / 20,926,851.85-31,373,338.24-6,542,515.45

Finding the Fourth Proportional to 20,926,851.85, 31,373,338.24 and 6,542,515.45

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Solution

The fourth proportional to 20,926,851.85, 31,373,338.24 and 6,542,515.45 is: 9,808,477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926,851.85 : 31,373,338.24 = 6,542,515.45 : x
  2. Step 2: Convert to fraction form
    20,926,851.85/31,373,338.24 = 6,542,515.45/x
  3. Step 3: Cross multiply
    20,926,851.85x = 31,373,338.24 × 6,542,515.45
  4. Step 4: Simplify right side
    20,926,851.85x = 205,260,550,153,275.81
  5. Step 5: Solve for x
    x = 205,260,550,153,275.81/20,926,851.85
  6. Step 6: Final answer
    x = 9,808,477.24

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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.