Home / 19,750,372.72-27,259,779.40-12,017,903.76

Finding the Fourth Proportional to 19,750,372.72, 27,259,779.40 and 12,017,903.76

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Solution

The fourth proportional to 19,750,372.72, 27,259,779.40 and 12,017,903.76 is: 16,587,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750,372.72 : 27,259,779.40 = 12,017,903.76 : x
  2. Step 2: Convert to fraction form
    19,750,372.72/27,259,779.40 = 12,017,903.76/x
  3. Step 3: Cross multiply
    19,750,372.72x = 27,259,779.40 × 12,017,903.76
  4. Step 4: Simplify right side
    19,750,372.72x = 327,605,405,348,030.50
  5. Step 5: Solve for x
    x = 327,605,405,348,030.50/19,750,372.72
  6. Step 6: Final answer
    x = 16,587,302.43

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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.