Home / 21,460,723.65-29,622,466.98-17,058,261.21

Finding the Fourth Proportional to 21,460,723.65, 29,622,466.98 and 17,058,261.21

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Solution

The fourth proportional to 21,460,723.65, 29,622,466.98 and 17,058,261.21 is: 23,545,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460,723.65 : 29,622,466.98 = 17,058,261.21 : x
  2. Step 2: Convert to fraction form
    21,460,723.65/29,622,466.98 = 17,058,261.21/x
  3. Step 3: Cross multiply
    21,460,723.65x = 29,622,466.98 × 17,058,261.21
  4. Step 4: Simplify right side
    21,460,723.65x = 505,307,779,429,439.88
  5. Step 5: Solve for x
    x = 505,307,779,429,439.88/21,460,723.65
  6. Step 6: Final answer
    x = 23,545,700.87

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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.