Home / 6,385,390.16-8,812,023.72-3,484,967.12

Finding the Fourth Proportional to 6,385,390.16, 8,812,023.72 and 3,484,967.12

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Solution

The fourth proportional to 6,385,390.16, 8,812,023.72 and 3,484,967.12 is: 4,809,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,390.16 : 8,812,023.72 = 3,484,967.12 : x
  2. Step 2: Convert to fraction form
    6,385,390.16/8,812,023.72 = 3,484,967.12/x
  3. Step 3: Cross multiply
    6,385,390.16x = 8,812,023.72 × 3,484,967.12
  4. Step 4: Simplify right side
    6,385,390.16x = 30,709,612,924,860.09
  5. Step 5: Solve for x
    x = 30,709,612,924,860.09/6,385,390.16
  6. Step 6: Final answer
    x = 4,809,355.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.