Home / 31,675,483.72-43,712,167.53-17,188,795.72

Finding the Fourth Proportional to 31,675,483.72, 43,712,167.53 and 17,188,795.72

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Solution

The fourth proportional to 31,675,483.72, 43,712,167.53 and 17,188,795.72 is: 23,720,538.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675,483.72 : 43,712,167.53 = 17,188,795.72 : x
  2. Step 2: Convert to fraction form
    31,675,483.72/43,712,167.53 = 17,188,795.72/x
  3. Step 3: Cross multiply
    31,675,483.72x = 43,712,167.53 × 17,188,795.72
  4. Step 4: Simplify right side
    31,675,483.72x = 751,359,518,151,587
  5. Step 5: Solve for x
    x = 751,359,518,151,587/31,675,483.72
  6. Step 6: Final answer
    x = 23,720,538.09

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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.