Home / 21,523,704.12-29,685,915.72-13,789,466.10

Finding the Fourth Proportional to 21,523,704.12, 29,685,915.72 and 13,789,466.10

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Solution

The fourth proportional to 21,523,704.12, 29,685,915.72 and 13,789,466.10 is: 19,018,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523,704.12 : 29,685,915.72 = 13,789,466.10 : x
  2. Step 2: Convert to fraction form
    21,523,704.12/29,685,915.72 = 13,789,466.10/x
  3. Step 3: Cross multiply
    21,523,704.12x = 29,685,915.72 × 13,789,466.10
  4. Step 4: Simplify right side
    21,523,704.12x = 409,352,928,468,397.06
  5. Step 5: Solve for x
    x = 409,352,928,468,397.06/21,523,704.12
  6. Step 6: Final answer
    x = 19,018,702.64

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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.