Home / 21,058,800.21-29,058,472.80-12,353,796.63

Finding the Fourth Proportional to 21,058,800.21, 29,058,472.80 and 12,353,796.63

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Solution

The fourth proportional to 21,058,800.21, 29,058,472.80 and 12,353,796.63 is: 17,046,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058,800.21 : 29,058,472.80 = 12,353,796.63 : x
  2. Step 2: Convert to fraction form
    21,058,800.21/29,058,472.80 = 12,353,796.63/x
  3. Step 3: Cross multiply
    21,058,800.21x = 29,058,472.80 × 12,353,796.63
  4. Step 4: Simplify right side
    21,058,800.21x = 358,982,463,349,586.69
  5. Step 5: Solve for x
    x = 358,982,463,349,586.69/21,058,800.21
  6. Step 6: Final answer
    x = 17,046,672.16

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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.