Home / 18,158,885.70-27,238,328.55-6,644,330.70

Finding the Fourth Proportional to 18,158,885.70, 27,238,328.55 and 6,644,330.70

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Solution

The fourth proportional to 18,158,885.70, 27,238,328.55 and 6,644,330.70 is: 9,966,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158,885.70 : 27,238,328.55 = 6,644,330.70 : x
  2. Step 2: Convert to fraction form
    18,158,885.70/27,238,328.55 = 6,644,330.70/x
  3. Step 3: Cross multiply
    18,158,885.70x = 27,238,328.55 × 6,644,330.70
  4. Step 4: Simplify right side
    18,158,885.70x = 180,980,462,601,451.50
  5. Step 5: Solve for x
    x = 180,980,462,601,451.50/18,158,885.70
  6. Step 6: Final answer
    x = 9,966,496.05

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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.