Home / 10,051,420.20-15,060,509.10-5,784,145.80

Finding the Fourth Proportional to 10,051,420.20, 15,060,509.10 and 5,784,145.80

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Solution

The fourth proportional to 10,051,420.20, 15,060,509.10 and 5,784,145.80 is: 8,666,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051,420.20 : 15,060,509.10 = 5,784,145.80 : x
  2. Step 2: Convert to fraction form
    10,051,420.20/15,060,509.10 = 5,784,145.80/x
  3. Step 3: Cross multiply
    10,051,420.20x = 15,060,509.10 × 5,784,145.80
  4. Step 4: Simplify right side
    10,051,420.20x = 87,112,180,456,626.78
  5. Step 5: Solve for x
    x = 87,112,180,456,626.78/10,051,420.20
  6. Step 6: Final answer
    x = 8,666,653.94

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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.