Home / 28,448,003.80-42,672,005.70-7,172,867.80

Finding the Fourth Proportional to 28,448,003.80, 42,672,005.70 and 7,172,867.80

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Solution

The fourth proportional to 28,448,003.80, 42,672,005.70 and 7,172,867.80 is: 10,759,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448,003.80 : 42,672,005.70 = 7,172,867.80 : x
  2. Step 2: Convert to fraction form
    28,448,003.80/42,672,005.70 = 7,172,867.80/x
  3. Step 3: Cross multiply
    28,448,003.80x = 42,672,005.70 × 7,172,867.80
  4. Step 4: Simplify right side
    28,448,003.80x = 306,080,655,646,946.50
  5. Step 5: Solve for x
    x = 306,080,655,646,946.50/28,448,003.80
  6. Step 6: Final answer
    x = 10,759,301.70

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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.