Home / 31,329,971.30-43,235,484.81-17,578,037.54

Finding the Fourth Proportional to 31,329,971.30, 43,235,484.81 and 17,578,037.54

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Solution

The fourth proportional to 31,329,971.30, 43,235,484.81 and 17,578,037.54 is: 24,257,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329,971.30 : 43,235,484.81 = 17,578,037.54 : x
  2. Step 2: Convert to fraction form
    31,329,971.30/43,235,484.81 = 17,578,037.54/x
  3. Step 3: Cross multiply
    31,329,971.30x = 43,235,484.81 × 17,578,037.54
  4. Step 4: Simplify right side
    31,329,971.30x = 759,994,975,050,279.75
  5. Step 5: Solve for x
    x = 759,994,975,050,279.75/31,329,971.30
  6. Step 6: Final answer
    x = 24,257,761.61

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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.