Home / 18,139,602.51-27,209,234.48-7,354,339.52

Finding the Fourth Proportional to 18,139,602.51, 27,209,234.48 and 7,354,339.52

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Solution

The fourth proportional to 18,139,602.51, 27,209,234.48 and 7,354,339.52 is: 11,031,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,602.51 : 27,209,234.48 = 7,354,339.52 : x
  2. Step 2: Convert to fraction form
    18,139,602.51/27,209,234.48 = 7,354,339.52/x
  3. Step 3: Cross multiply
    18,139,602.51x = 27,209,234.48 × 7,354,339.52
  4. Step 4: Simplify right side
    18,139,602.51x = 200,105,948,272,392.78
  5. Step 5: Solve for x
    x = 200,105,948,272,392.78/18,139,602.51
  6. Step 6: Final answer
    x = 11,031,440.64

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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.