Home / 12,952,259.60-19,430,722.20-5,379,990.80

Finding the Fourth Proportional to 12,952,259.60, 19,430,722.20 and 5,379,990.80

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Solution

The fourth proportional to 12,952,259.60, 19,430,722.20 and 5,379,990.80 is: 8,070,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,259.60 : 19,430,722.20 = 5,379,990.80 : x
  2. Step 2: Convert to fraction form
    12,952,259.60/19,430,722.20 = 5,379,990.80/x
  3. Step 3: Cross multiply
    12,952,259.60x = 19,430,722.20 × 5,379,990.80
  4. Step 4: Simplify right side
    12,952,259.60x = 104,537,106,673,355.75
  5. Step 5: Solve for x
    x = 104,537,106,673,355.75/12,952,259.60
  6. Step 6: Final answer
    x = 8,070,955.18

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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.