Home / 10,455,409.87-15,678,797.90-4,540,360.82

Finding the Fourth Proportional to 10,455,409.87, 15,678,797.90 and 4,540,360.82

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Solution

The fourth proportional to 10,455,409.87, 15,678,797.90 and 4,540,360.82 is: 6,808,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,409.87 : 15,678,797.90 = 4,540,360.82 : x
  2. Step 2: Convert to fraction form
    10,455,409.87/15,678,797.90 = 4,540,360.82/x
  3. Step 3: Cross multiply
    10,455,409.87x = 15,678,797.90 × 4,540,360.82
  4. Step 4: Simplify right side
    10,455,409.87x = 71,187,399,588,762.48
  5. Step 5: Solve for x
    x = 71,187,399,588,762.48/10,455,409.87
  6. Step 6: Final answer
    x = 6,808,666.57

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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.