Home / 28,739,987.20-43,116,869.82-9,570,910.36

Finding the Fourth Proportional to 28,739,987.20, 43,116,869.82 and 9,570,910.36

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Solution

The fourth proportional to 28,739,987.20, 43,116,869.82 and 9,570,910.36 is: 14,358,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739,987.20 : 43,116,869.82 = 9,570,910.36 : x
  2. Step 2: Convert to fraction form
    28,739,987.20/43,116,869.82 = 9,570,910.36/x
  3. Step 3: Cross multiply
    28,739,987.20x = 43,116,869.82 × 9,570,910.36
  4. Step 4: Simplify right side
    28,739,987.20x = 412,667,696,051,009.31
  5. Step 5: Solve for x
    x = 412,667,696,051,009.31/28,739,987.20
  6. Step 6: Final answer
    x = 14,358,659.70

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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.