Home / 13,433,002.74-18,537,550.65-7,631,794.62

Finding the Fourth Proportional to 13,433,002.74, 18,537,550.65 and 7,631,794.62

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Solution

The fourth proportional to 13,433,002.74, 18,537,550.65 and 7,631,794.62 is: 10,531,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433,002.74 : 18,537,550.65 = 7,631,794.62 : x
  2. Step 2: Convert to fraction form
    13,433,002.74/18,537,550.65 = 7,631,794.62/x
  3. Step 3: Cross multiply
    13,433,002.74x = 18,537,550.65 × 7,631,794.62
  4. Step 4: Simplify right side
    13,433,002.74x = 141,474,779,318,647.50
  5. Step 5: Solve for x
    x = 141,474,779,318,647.50/13,433,002.74
  6. Step 6: Final answer
    x = 10,531,880.48

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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.