Home / 27,276,875.20-40,915,312.80-7,082,117.20

Finding the Fourth Proportional to 27,276,875.20, 40,915,312.80 and 7,082,117.20

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Solution

The fourth proportional to 27,276,875.20, 40,915,312.80 and 7,082,117.20 is: 10,623,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276,875.20 : 40,915,312.80 = 7,082,117.20 : x
  2. Step 2: Convert to fraction form
    27,276,875.20/40,915,312.80 = 7,082,117.20/x
  3. Step 3: Cross multiply
    27,276,875.20x = 40,915,312.80 × 7,082,117.20
  4. Step 4: Simplify right side
    27,276,875.20x = 289,767,040,524,260.12
  5. Step 5: Solve for x
    x = 289,767,040,524,260.12/27,276,875.20
  6. Step 6: Final answer
    x = 10,623,175.80

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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.