Home / 20,689,444.43-31,036,743.05-7,041,542.00

Finding the Fourth Proportional to 20,689,444.43, 31,036,743.05 and 7,041,542.00

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Solution

The fourth proportional to 20,689,444.43, 31,036,743.05 and 7,041,542.00 is: 10,563,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,689,444.43 : 31,036,743.05 = 7,041,542.00 : x
  2. Step 2: Convert to fraction form
    20,689,444.43/31,036,743.05 = 7,041,542.00/x
  3. Step 3: Cross multiply
    20,689,444.43x = 31,036,743.05 × 7,041,542.00
  4. Step 4: Simplify right side
    20,689,444.43x = 218,546,529,772,167.28
  5. Step 5: Solve for x
    x = 218,546,529,772,167.28/20,689,444.43
  6. Step 6: Final answer
    x = 10,563,189.87

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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.