Home / 20,740,104.84-31,109,270.94-7,094,471.40

Finding the Fourth Proportional to 20,740,104.84, 31,109,270.94 and 7,094,471.40

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Solution

The fourth proportional to 20,740,104.84, 31,109,270.94 and 7,094,471.40 is: 10,641,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740,104.84 : 31,109,270.94 = 7,094,471.40 : x
  2. Step 2: Convert to fraction form
    20,740,104.84/31,109,270.94 = 7,094,471.40/x
  3. Step 3: Cross multiply
    20,740,104.84x = 31,109,270.94 × 7,094,471.40
  4. Step 4: Simplify right side
    20,740,104.84x = 220,703,832,958,681.12
  5. Step 5: Solve for x
    x = 220,703,832,958,681.12/20,740,104.84
  6. Step 6: Final answer
    x = 10,641,403.92

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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.