Home / 31,533,156.48-43,507,520.67-18,473,394.85

Finding the Fourth Proportional to 31,533,156.48, 43,507,520.67 and 18,473,394.85

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Solution

The fourth proportional to 31,533,156.48, 43,507,520.67 and 18,473,394.85 is: 25,488,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533,156.48 : 43,507,520.67 = 18,473,394.85 : x
  2. Step 2: Convert to fraction form
    31,533,156.48/43,507,520.67 = 18,473,394.85/x
  3. Step 3: Cross multiply
    31,533,156.48x = 43,507,520.67 × 18,473,394.85
  4. Step 4: Simplify right side
    31,533,156.48x = 803,731,608,281,446.62
  5. Step 5: Solve for x
    x = 803,731,608,281,446.62/31,533,156.48
  6. Step 6: Final answer
    x = 25,488,460.34

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1.5x scale

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.