Home / 20,693,433.01-31,039,117.67-7,738,631.25

Finding the Fourth Proportional to 20,693,433.01, 31,039,117.67 and 7,738,631.25

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Solution

The fourth proportional to 20,693,433.01, 31,039,117.67 and 7,738,631.25 is: 11,607,561.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693,433.01 : 31,039,117.67 = 7,738,631.25 : x
  2. Step 2: Convert to fraction form
    20,693,433.01/31,039,117.67 = 7,738,631.25/x
  3. Step 3: Cross multiply
    20,693,433.01x = 31,039,117.67 × 7,738,631.25
  4. Step 4: Simplify right side
    20,693,433.01x = 240,200,285,973,489.19
  5. Step 5: Solve for x
    x = 240,200,285,973,489.19/20,693,433.01
  6. Step 6: Final answer
    x = 11,607,561.00

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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.