Home / 28,955,220.30-43,423,185.51-11,678,958.99

Finding the Fourth Proportional to 28,955,220.30, 43,423,185.51 and 11,678,958.99

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Solution

The fourth proportional to 28,955,220.30, 43,423,185.51 and 11,678,958.99 is: 17,514,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955,220.30 : 43,423,185.51 = 11,678,958.99 : x
  2. Step 2: Convert to fraction form
    28,955,220.30/43,423,185.51 = 11,678,958.99/x
  3. Step 3: Cross multiply
    28,955,220.30x = 43,423,185.51 × 11,678,958.99
  4. Step 4: Simplify right side
    28,955,220.30x = 507,137,602,786,452.25
  5. Step 5: Solve for x
    x = 507,137,602,786,452.25/28,955,220.30
  6. Step 6: Final answer
    x = 17,514,548.24

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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.