Home / 18,237,108.69-27,365,091.64-8,009,156.48

Finding the Fourth Proportional to 18,237,108.69, 27,365,091.64 and 8,009,156.48

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Solution

The fourth proportional to 18,237,108.69, 27,365,091.64 and 8,009,156.48 is: 12,017,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237,108.69 : 27,365,091.64 = 8,009,156.48 : x
  2. Step 2: Convert to fraction form
    18,237,108.69/27,365,091.64 = 8,009,156.48/x
  3. Step 3: Cross multiply
    18,237,108.69x = 27,365,091.64 × 8,009,156.48
  4. Step 4: Simplify right side
    18,237,108.69x = 219,171,300,877,451.47
  5. Step 5: Solve for x
    x = 219,171,300,877,451.47/18,237,108.69
  6. Step 6: Final answer
    x = 12,017,875.45

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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.