Home / 21,632,045.32-29,872,457.67-13,910,503.24

Finding the Fourth Proportional to 21,632,045.32, 29,872,457.67 and 13,910,503.24

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Solution

The fourth proportional to 21,632,045.32, 29,872,457.67 and 13,910,503.24 is: 19,209,506.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632,045.32 : 29,872,457.67 = 13,910,503.24 : x
  2. Step 2: Convert to fraction form
    21,632,045.32/29,872,457.67 = 13,910,503.24/x
  3. Step 3: Cross multiply
    21,632,045.32x = 29,872,457.67 × 13,910,503.24
  4. Step 4: Simplify right side
    21,632,045.32x = 415,540,919,205,297.88
  5. Step 5: Solve for x
    x = 415,540,919,205,297.88/21,632,045.32
  6. Step 6: Final answer
    x = 19,209,506.69

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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.