Home / 28,751,536.32-39,678,726.33-15,700,006.32

Finding the Fourth Proportional to 28,751,536.32, 39,678,726.33 and 15,700,006.32

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Solution

The fourth proportional to 28,751,536.32, 39,678,726.33 and 15,700,006.32 is: 21,666,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,751,536.32 : 39,678,726.33 = 15,700,006.32 : x
  2. Step 2: Convert to fraction form
    28,751,536.32/39,678,726.33 = 15,700,006.32/x
  3. Step 3: Cross multiply
    28,751,536.32x = 39,678,726.33 × 15,700,006.32
  4. Step 4: Simplify right side
    28,751,536.32x = 622,956,254,150,550.38
  5. Step 5: Solve for x
    x = 622,956,254,150,550.38/28,751,536.32
  6. Step 6: Final answer
    x = 21,666,885.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.