Home / 10,501,234.80-15,720,359.40-6,239,209.20

Finding the Fourth Proportional to 10,501,234.80, 15,720,359.40 and 6,239,209.20

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Solution

The fourth proportional to 10,501,234.80, 15,720,359.40 and 6,239,209.20 is: 9,340,102.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501,234.80 : 15,720,359.40 = 6,239,209.20 : x
  2. Step 2: Convert to fraction form
    10,501,234.80/15,720,359.40 = 6,239,209.20/x
  3. Step 3: Cross multiply
    10,501,234.80x = 15,720,359.40 × 6,239,209.20
  4. Step 4: Simplify right side
    10,501,234.80x = 98,082,610,995,786.48
  5. Step 5: Solve for x
    x = 98,082,610,995,786.48/10,501,234.80
  6. Step 6: Final answer
    x = 9,340,102.65

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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.