Home / 28,758,678.77-43,138,903.91-12,576,300.32

Finding the Fourth Proportional to 28,758,678.77, 43,138,903.91 and 12,576,300.32

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Solution

The fourth proportional to 28,758,678.77, 43,138,903.91 and 12,576,300.32 is: 18,864,837.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758,678.77 : 43,138,903.91 = 12,576,300.32 : x
  2. Step 2: Convert to fraction form
    28,758,678.77/43,138,903.91 = 12,576,300.32/x
  3. Step 3: Cross multiply
    28,758,678.77x = 43,138,903.91 × 12,576,300.32
  4. Step 4: Simplify right side
    28,758,678.77x = 542,527,810,920,833.38
  5. Step 5: Solve for x
    x = 542,527,810,920,833.38/28,758,678.77
  6. Step 6: Final answer
    x = 18,864,837.82

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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.