Home / 28,094,131.13-42,141,213.09-7,899,373.13

Finding the Fourth Proportional to 28,094,131.13, 42,141,213.09 and 7,899,373.13

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Solution

The fourth proportional to 28,094,131.13, 42,141,213.09 and 7,899,373.13 is: 11,849,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094,131.13 : 42,141,213.09 = 7,899,373.13 : x
  2. Step 2: Convert to fraction form
    28,094,131.13/42,141,213.09 = 7,899,373.13/x
  3. Step 3: Cross multiply
    28,094,131.13x = 42,141,213.09 × 7,899,373.13
  4. Step 4: Simplify right side
    28,094,131.13x = 332,889,166,138,044.25
  5. Step 5: Solve for x
    x = 332,889,166,138,044.25/28,094,131.13
  6. Step 6: Final answer
    x = 11,849,064.30

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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.