Home / 39,064,396.60-53,911,290.49-21,660,741.77

Finding the Fourth Proportional to 39,064,396.60, 53,911,290.49 and 21,660,741.77

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Solution

The fourth proportional to 39,064,396.60, 53,911,290.49 and 21,660,741.77 is: 29,893,167.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,064,396.60 : 53,911,290.49 = 21,660,741.77 : x
  2. Step 2: Convert to fraction form
    39,064,396.60/53,911,290.49 = 21,660,741.77/x
  3. Step 3: Cross multiply
    39,064,396.60x = 53,911,290.49 × 21,660,741.77
  4. Step 4: Simplify right side
    39,064,396.60x = 1,167,758,541,467,638.50
  5. Step 5: Solve for x
    x = 1,167,758,541,467,638.50/39,064,396.60
  6. Step 6: Final answer
    x = 29,893,167.26

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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.