Home / 6,420,158.10-9,624,208.32-2,157,345.18

Finding the Fourth Proportional to 6,420,158.10, 9,624,208.32 and 2,157,345.18

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Solution

The fourth proportional to 6,420,158.10, 9,624,208.32 and 2,157,345.18 is: 3,233,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,158.10 : 9,624,208.32 = 2,157,345.18 : x
  2. Step 2: Convert to fraction form
    6,420,158.10/9,624,208.32 = 2,157,345.18/x
  3. Step 3: Cross multiply
    6,420,158.10x = 9,624,208.32 × 2,157,345.18
  4. Step 4: Simplify right side
    6,420,158.10x = 20,762,739,430,467.90
  5. Step 5: Solve for x
    x = 20,762,739,430,467.90/6,420,158.10
  6. Step 6: Final answer
    x = 3,233,991.92

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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.