Home / 28,902,954.40-43,340,434.80-16,109,879.20

Finding the Fourth Proportional to 28,902,954.40, 43,340,434.80 and 16,109,879.20

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Solution

The fourth proportional to 28,902,954.40, 43,340,434.80 and 16,109,879.20 is: 24,157,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902,954.40 : 43,340,434.80 = 16,109,879.20 : x
  2. Step 2: Convert to fraction form
    28,902,954.40/43,340,434.80 = 16,109,879.20/x
  3. Step 3: Cross multiply
    28,902,954.40x = 43,340,434.80 × 16,109,879.20
  4. Step 4: Simplify right side
    28,902,954.40x = 698,209,169,103,476.12
  5. Step 5: Solve for x
    x = 698,209,169,103,476.12/28,902,954.40
  6. Step 6: Final answer
    x = 24,157,017.29

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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.