Home / 13,207,999.60-19,811,999.40-8,584,462.90

Finding the Fourth Proportional to 13,207,999.60, 19,811,999.40 and 8,584,462.90

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Solution

The fourth proportional to 13,207,999.60, 19,811,999.40 and 8,584,462.90 is: 12,876,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207,999.60 : 19,811,999.40 = 8,584,462.90 : x
  2. Step 2: Convert to fraction form
    13,207,999.60/19,811,999.40 = 8,584,462.90/x
  3. Step 3: Cross multiply
    13,207,999.60x = 19,811,999.40 × 8,584,462.90
  4. Step 4: Simplify right side
    13,207,999.60x = 170,075,373,824,122.25
  5. Step 5: Solve for x
    x = 170,075,373,824,122.25/13,207,999.60
  6. Step 6: Final answer
    x = 12,876,694.35

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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.