Home / 10,861,570.80-16,292,356.20-7,082,434.80

Finding the Fourth Proportional to 10,861,570.80, 16,292,356.20 and 7,082,434.80

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Solution

The fourth proportional to 10,861,570.80, 16,292,356.20 and 7,082,434.80 is: 10,623,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861,570.80 : 16,292,356.20 = 7,082,434.80 : x
  2. Step 2: Convert to fraction form
    10,861,570.80/16,292,356.20 = 7,082,434.80/x
  3. Step 3: Cross multiply
    10,861,570.80x = 16,292,356.20 × 7,082,434.80
  4. Step 4: Simplify right side
    10,861,570.80x = 115,389,550,524,875.75
  5. Step 5: Solve for x
    x = 115,389,550,524,875.75/10,861,570.80
  6. Step 6: Final answer
    x = 10,623,652.20

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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.