Home / 28,565,982.40-42,852,910.20-10,365,768.40

Finding the Fourth Proportional to 28,565,982.40, 42,852,910.20 and 10,365,768.40

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Solution

The fourth proportional to 28,565,982.40, 42,852,910.20 and 10,365,768.40 is: 15,550,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565,982.40 : 42,852,910.20 = 10,365,768.40 : x
  2. Step 2: Convert to fraction form
    28,565,982.40/42,852,910.20 = 10,365,768.40/x
  3. Step 3: Cross multiply
    28,565,982.40x = 42,852,910.20 × 10,365,768.40
  4. Step 4: Simplify right side
    28,565,982.40x = 444,203,342,399,197.75
  5. Step 5: Solve for x
    x = 444,203,342,399,197.75/28,565,982.40
  6. Step 6: Final answer
    x = 15,550,081.08

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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.