Home / 21,430,391.52-29,574,473.44-11,640,832.64

Finding the Fourth Proportional to 21,430,391.52, 29,574,473.44 and 11,640,832.64

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Solution

The fourth proportional to 21,430,391.52, 29,574,473.44 and 11,640,832.64 is: 16,064,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,430,391.52 : 29,574,473.44 = 11,640,832.64 : x
  2. Step 2: Convert to fraction form
    21,430,391.52/29,574,473.44 = 11,640,832.64/x
  3. Step 3: Cross multiply
    21,430,391.52x = 29,574,473.44 × 11,640,832.64
  4. Step 4: Simplify right side
    21,430,391.52x = 344,271,495,731,165.12
  5. Step 5: Solve for x
    x = 344,271,495,731,165.12/21,430,391.52
  6. Step 6: Final answer
    x = 16,064,638.64

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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.