Home / 21,021,059.36-29,023,405.65-13,596,717.89

Finding the Fourth Proportional to 21,021,059.36, 29,023,405.65 and 13,596,717.89

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Solution

The fourth proportional to 21,021,059.36, 29,023,405.65 and 13,596,717.89 is: 18,772,748.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,021,059.36 : 29,023,405.65 = 13,596,717.89 : x
  2. Step 2: Convert to fraction form
    21,021,059.36/29,023,405.65 = 13,596,717.89/x
  3. Step 3: Cross multiply
    21,021,059.36x = 29,023,405.65 × 13,596,717.89
  4. Step 4: Simplify right side
    21,021,059.36x = 394,623,058,830,082.06
  5. Step 5: Solve for x
    x = 394,623,058,830,082.06/21,021,059.36
  6. Step 6: Final answer
    x = 18,772,748.42

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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.