Home / 22,985,567.10-31,720,072.32-13,196,642.58

Finding the Fourth Proportional to 22,985,567.10, 31,720,072.32 and 13,196,642.58

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Solution

The fourth proportional to 22,985,567.10, 31,720,072.32 and 13,196,642.58 is: 18,211,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985,567.10 : 31,720,072.32 = 13,196,642.58 : x
  2. Step 2: Convert to fraction form
    22,985,567.10/31,720,072.32 = 13,196,642.58/x
  3. Step 3: Cross multiply
    22,985,567.10x = 31,720,072.32 × 13,196,642.58
  4. Step 4: Simplify right side
    22,985,567.10x = 418,598,457,018,791.38
  5. Step 5: Solve for x
    x = 418,598,457,018,791.38/22,985,567.10
  6. Step 6: Final answer
    x = 18,211,360.86

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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.