Home / 21,589,128.60-32,362,956.90-12,481,877.40

Finding the Fourth Proportional to 21,589,128.60, 32,362,956.90 and 12,481,877.40

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Solution

The fourth proportional to 21,589,128.60, 32,362,956.90 and 12,481,877.40 is: 18,710,827.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589,128.60 : 32,362,956.90 = 12,481,877.40 : x
  2. Step 2: Convert to fraction form
    21,589,128.60/32,362,956.90 = 12,481,877.40/x
  3. Step 3: Cross multiply
    21,589,128.60x = 32,362,956.90 × 12,481,877.40
  4. Step 4: Simplify right side
    21,589,128.60x = 403,950,460,327,284.06
  5. Step 5: Solve for x
    x = 403,950,460,327,284.06/21,589,128.60
  6. Step 6: Final answer
    x = 18,710,827.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.