Home / 31,427,535.76-43,363,496.16-18,372,270

Finding the Fourth Proportional to 31,427,535.76, 43,363,496.16 and 18,372,270

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Solution

The fourth proportional to 31,427,535.76, 43,363,496.16 and 18,372,270 is: 25,349,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427,535.76 : 43,363,496.16 = 18,372,270 : x
  2. Step 2: Convert to fraction form
    31,427,535.76/43,363,496.16 = 18,372,270/x
  3. Step 3: Cross multiply
    31,427,535.76x = 43,363,496.16 × 18,372,270
  4. Step 4: Simplify right side
    31,427,535.76x = 796,685,859,595,483.12
  5. Step 5: Solve for x
    x = 796,685,859,595,483.12/31,427,535.76
  6. Step 6: Final answer
    x = 25,349,930.89

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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.