Home / 21,126,714.35-29,157,440.40-12,424,466.39

Finding the Fourth Proportional to 21,126,714.35, 29,157,440.40 and 12,424,466.39

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Solution

The fourth proportional to 21,126,714.35, 29,157,440.40 and 12,424,466.39 is: 17,147,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,126,714.35 : 29,157,440.40 = 12,424,466.39 : x
  2. Step 2: Convert to fraction form
    21,126,714.35/29,157,440.40 = 12,424,466.39/x
  3. Step 3: Cross multiply
    21,126,714.35x = 29,157,440.40 × 12,424,466.39
  4. Step 4: Simplify right side
    21,126,714.35x = 362,265,638,122,440.94
  5. Step 5: Solve for x
    x = 362,265,638,122,440.94/21,126,714.35
  6. Step 6: Final answer
    x = 17,147,277.72

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1.5x scale

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.