Home / 31,828,614.48-47,751,696.72-12,672,823.68

Finding the Fourth Proportional to 31,828,614.48, 47,751,696.72 and 12,672,823.68

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Solution

The fourth proportional to 31,828,614.48, 47,751,696.72 and 12,672,823.68 is: 19,012,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828,614.48 : 47,751,696.72 = 12,672,823.68 : x
  2. Step 2: Convert to fraction form
    31,828,614.48/47,751,696.72 = 12,672,823.68/x
  3. Step 3: Cross multiply
    31,828,614.48x = 47,751,696.72 × 12,672,823.68
  4. Step 4: Simplify right side
    31,828,614.48x = 605,148,832,953,394.25
  5. Step 5: Solve for x
    x = 605,148,832,953,394.25/31,828,614.48
  6. Step 6: Final answer
    x = 19,012,729.36

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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.