Home / 31,881,488.37-43,985,443.48-19,326,568.44

Finding the Fourth Proportional to 31,881,488.37, 43,985,443.48 and 19,326,568.44

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Solution

The fourth proportional to 31,881,488.37, 43,985,443.48 and 19,326,568.44 is: 26,663,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,881,488.37 : 43,985,443.48 = 19,326,568.44 : x
  2. Step 2: Convert to fraction form
    31,881,488.37/43,985,443.48 = 19,326,568.44/x
  3. Step 3: Cross multiply
    31,881,488.37x = 43,985,443.48 × 19,326,568.44
  4. Step 4: Simplify right side
    31,881,488.37x = 850,087,683,779,971.75
  5. Step 5: Solve for x
    x = 850,087,683,779,971.75/31,881,488.37
  6. Step 6: Final answer
    x = 26,663,989.90

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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.