Home / 18,194,140.90-27,291,211.35-7,405,888.60

Finding the Fourth Proportional to 18,194,140.90, 27,291,211.35 and 7,405,888.60

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Solution

The fourth proportional to 18,194,140.90, 27,291,211.35 and 7,405,888.60 is: 11,108,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194,140.90 : 27,291,211.35 = 7,405,888.60 : x
  2. Step 2: Convert to fraction form
    18,194,140.90/27,291,211.35 = 7,405,888.60/x
  3. Step 3: Cross multiply
    18,194,140.90x = 27,291,211.35 × 7,405,888.60
  4. Step 4: Simplify right side
    18,194,140.90x = 202,115,671,017,155.62
  5. Step 5: Solve for x
    x = 202,115,671,017,155.62/18,194,140.90
  6. Step 6: Final answer
    x = 11,108,832.90

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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.