Home / 7,518,130.98-11,281,940.39-3,200,174.30

Finding the Fourth Proportional to 7,518,130.98, 11,281,940.39 and 3,200,174.30

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Solution

The fourth proportional to 7,518,130.98, 11,281,940.39 and 3,200,174.30 is: 4,802,280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,130.98 : 11,281,940.39 = 3,200,174.30 : x
  2. Step 2: Convert to fraction form
    7,518,130.98/11,281,940.39 = 3,200,174.30/x
  3. Step 3: Cross multiply
    7,518,130.98x = 11,281,940.39 × 3,200,174.30
  4. Step 4: Simplify right side
    7,518,130.98x = 36,104,175,674,209.10
  5. Step 5: Solve for x
    x = 36,104,175,674,209.10/7,518,130.98
  6. Step 6: Final answer
    x = 4,802,280.75

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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.