Home / 13,231,803.60-19,847,705.40-5,659,534.80

Finding the Fourth Proportional to 13,231,803.60, 19,847,705.40 and 5,659,534.80

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Solution

The fourth proportional to 13,231,803.60, 19,847,705.40 and 5,659,534.80 is: 8,489,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231,803.60 : 19,847,705.40 = 5,659,534.80 : x
  2. Step 2: Convert to fraction form
    13,231,803.60/19,847,705.40 = 5,659,534.80/x
  3. Step 3: Cross multiply
    13,231,803.60x = 19,847,705.40 × 5,659,534.80
  4. Step 4: Simplify right side
    13,231,803.60x = 112,328,779,411,447.91
  5. Step 5: Solve for x
    x = 112,328,779,411,447.91/13,231,803.60
  6. Step 6: Final answer
    x = 8,489,302.20

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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.