Home / 12,018,462.05-18,045,702.99-10,404,210

Finding the Fourth Proportional to 12,018,462.05, 18,045,702.99 and 10,404,210

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Solution

The fourth proportional to 12,018,462.05, 18,045,702.99 and 10,404,210 is: 15,621,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,462.05 : 18,045,702.99 = 10,404,210 : x
  2. Step 2: Convert to fraction form
    12,018,462.05/18,045,702.99 = 10,404,210/x
  3. Step 3: Cross multiply
    12,018,462.05x = 18,045,702.99 × 10,404,210
  4. Step 4: Simplify right side
    12,018,462.05x = 187,751,283,505,587.88
  5. Step 5: Solve for x
    x = 187,751,283,505,587.88/12,018,462.05
  6. Step 6: Final answer
    x = 15,621,905.93

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1.5x scale

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.