Home / 6,471,982.20-9,707,973.30-6,388,001.40

Finding the Fourth Proportional to 6,471,982.20, 9,707,973.30 and 6,388,001.40

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Solution

The fourth proportional to 6,471,982.20, 9,707,973.30 and 6,388,001.40 is: 9,582,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471,982.20 : 9,707,973.30 = 6,388,001.40 : x
  2. Step 2: Convert to fraction form
    6,471,982.20/9,707,973.30 = 6,388,001.40/x
  3. Step 3: Cross multiply
    6,471,982.20x = 9,707,973.30 × 6,388,001.40
  4. Step 4: Simplify right side
    6,471,982.20x = 62,014,547,031,562.62
  5. Step 5: Solve for x
    x = 62,014,547,031,562.62/6,471,982.20
  6. Step 6: Final answer
    x = 9,582,002.10

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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.