Home / 28,425,063.59-39,226,705.94-15,372,322.51

Finding the Fourth Proportional to 28,425,063.59, 39,226,705.94 and 15,372,322.51

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Solution

The fourth proportional to 28,425,063.59, 39,226,705.94 and 15,372,322.51 is: 21,213,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,425,063.59 : 39,226,705.94 = 15,372,322.51 : x
  2. Step 2: Convert to fraction form
    28,425,063.59/39,226,705.94 = 15,372,322.51/x
  3. Step 3: Cross multiply
    28,425,063.59x = 39,226,705.94 × 15,372,322.51
  4. Step 4: Simplify right side
    28,425,063.59x = 603,005,574,654,976.75
  5. Step 5: Solve for x
    x = 603,005,574,654,976.75/28,425,063.59
  6. Step 6: Final answer
    x = 21,213,868.97

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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.