Home / 12,047,165.40-18,084,744.90-7,260,259.80

Finding the Fourth Proportional to 12,047,165.40, 18,084,744.90 and 7,260,259.80

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Solution

The fourth proportional to 12,047,165.40, 18,084,744.90 and 7,260,259.80 is: 10,898,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047,165.40 : 18,084,744.90 = 7,260,259.80 : x
  2. Step 2: Convert to fraction form
    12,047,165.40/18,084,744.90 = 7,260,259.80/x
  3. Step 3: Cross multiply
    12,047,165.40x = 18,084,744.90 × 7,260,259.80
  4. Step 4: Simplify right side
    12,047,165.40x = 131,299,946,390,725
  5. Step 5: Solve for x
    x = 131,299,946,390,725/12,047,165.40
  6. Step 6: Final answer
    x = 10,898,824.91

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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.