Home / 13,607,999.10-20,411,998.65-12,261,681.90

Finding the Fourth Proportional to 13,607,999.10, 20,411,998.65 and 12,261,681.90

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Solution

The fourth proportional to 13,607,999.10, 20,411,998.65 and 12,261,681.90 is: 18,392,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607,999.10 : 20,411,998.65 = 12,261,681.90 : x
  2. Step 2: Convert to fraction form
    13,607,999.10/20,411,998.65 = 12,261,681.90/x
  3. Step 3: Cross multiply
    13,607,999.10x = 20,411,998.65 × 12,261,681.90
  4. Step 4: Simplify right side
    13,607,999.10x = 250,285,434,389,529.44
  5. Step 5: Solve for x
    x = 250,285,434,389,529.44/13,607,999.10
  6. Step 6: Final answer
    x = 18,392,522.85

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1.5x scale

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.