Home / 18,136,804.60-27,181,587.30-7,345,271.80

Finding the Fourth Proportional to 18,136,804.60, 27,181,587.30 and 7,345,271.80

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Solution

The fourth proportional to 18,136,804.60, 27,181,587.30 and 7,345,271.80 is: 11,008,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136,804.60 : 27,181,587.30 = 7,345,271.80 : x
  2. Step 2: Convert to fraction form
    18,136,804.60/27,181,587.30 = 7,345,271.80/x
  3. Step 3: Cross multiply
    18,136,804.60x = 27,181,587.30 × 7,345,271.80
  4. Step 4: Simplify right side
    18,136,804.60x = 199,656,146,673,928.12
  5. Step 5: Solve for x
    x = 199,656,146,673,928.12/18,136,804.60
  6. Step 6: Final answer
    x = 11,008,341.94

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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.