Home / 18,139,617.47-27,209,256.79-7,354,354.47

Finding the Fourth Proportional to 18,139,617.47, 27,209,256.79 and 7,354,354.47

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Solution

The fourth proportional to 18,139,617.47, 27,209,256.79 and 7,354,354.47 is: 11,031,463.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,617.47 : 27,209,256.79 = 7,354,354.47 : x
  2. Step 2: Convert to fraction form
    18,139,617.47/27,209,256.79 = 7,354,354.47/x
  3. Step 3: Cross multiply
    18,139,617.47x = 27,209,256.79 × 7,354,354.47
  4. Step 4: Simplify right side
    18,139,617.47x = 200,106,519,298,914.34
  5. Step 5: Solve for x
    x = 200,106,519,298,914.34/18,139,617.47
  6. Step 6: Final answer
    x = 11,031,463.02

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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.