Home / 28,094,195.72-42,141,309.86-7,899,437.72

Finding the Fourth Proportional to 28,094,195.72, 42,141,309.86 and 7,899,437.72

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Solution

The fourth proportional to 28,094,195.72, 42,141,309.86 and 7,899,437.72 is: 11,849,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094,195.72 : 42,141,309.86 = 7,899,437.72 : x
  2. Step 2: Convert to fraction form
    28,094,195.72/42,141,309.86 = 7,899,437.72/x
  3. Step 3: Cross multiply
    28,094,195.72x = 42,141,309.86 × 7,899,437.72
  4. Step 4: Simplify right side
    28,094,195.72x = 332,892,652,678,291.88
  5. Step 5: Solve for x
    x = 332,892,652,678,291.88/28,094,195.72
  6. Step 6: Final answer
    x = 11,849,161.16

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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.