Home / 6,470,518.20-9,705,777.30-6,386,537.40

Finding the Fourth Proportional to 6,470,518.20, 9,705,777.30 and 6,386,537.40

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Solution

The fourth proportional to 6,470,518.20, 9,705,777.30 and 6,386,537.40 is: 9,579,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470,518.20 : 9,705,777.30 = 6,386,537.40 : x
  2. Step 2: Convert to fraction form
    6,470,518.20/9,705,777.30 = 6,386,537.40/x
  3. Step 3: Cross multiply
    6,470,518.20x = 9,705,777.30 × 6,386,537.40
  4. Step 4: Simplify right side
    6,470,518.20x = 61,986,309,722,521.03
  5. Step 5: Solve for x
    x = 61,986,309,722,521.03/6,470,518.20
  6. Step 6: Final answer
    x = 9,579,806.10

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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.