Home / 53,280,015.40-79,920,023.10-19,204,805.80

Finding the Fourth Proportional to 53,280,015.40, 79,920,023.10 and 19,204,805.80

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Solution

The fourth proportional to 53,280,015.40, 79,920,023.10 and 19,204,805.80 is: 28,807,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,280,015.40 : 79,920,023.10 = 19,204,805.80 : x
  2. Step 2: Convert to fraction form
    53,280,015.40/79,920,023.10 = 19,204,805.80/x
  3. Step 3: Cross multiply
    53,280,015.40x = 79,920,023.10 × 19,204,805.80
  4. Step 4: Simplify right side
    53,280,015.40x = 1,534,848,523,167,014
  5. Step 5: Solve for x
    x = 1,534,848,523,167,014/53,280,015.40
  6. Step 6: Final answer
    x = 28,807,208.70

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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.