Home / 31,549,033.69-47,318,814.33-9,980,832.91

Finding the Fourth Proportional to 31,549,033.69, 47,318,814.33 and 9,980,832.91

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Solution

The fourth proportional to 31,549,033.69, 47,318,814.33 and 9,980,832.91 is: 14,969,751.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549,033.69 : 47,318,814.33 = 9,980,832.91 : x
  2. Step 2: Convert to fraction form
    31,549,033.69/47,318,814.33 = 9,980,832.91/x
  3. Step 3: Cross multiply
    31,549,033.69x = 47,318,814.33 × 9,980,832.91
  4. Step 4: Simplify right side
    31,549,033.69x = 472,281,179,327,043.56
  5. Step 5: Solve for x
    x = 472,281,179,327,043.56/31,549,033.69
  6. Step 6: Final answer
    x = 14,969,751.02

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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.