Home / 28,559,524.62-39,412,828.80-15,507,333.66

Finding the Fourth Proportional to 28,559,524.62, 39,412,828.80 and 15,507,333.66

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Solution

The fourth proportional to 28,559,524.62, 39,412,828.80 and 15,507,333.66 is: 21,400,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559,524.62 : 39,412,828.80 = 15,507,333.66 : x
  2. Step 2: Convert to fraction form
    28,559,524.62/39,412,828.80 = 15,507,333.66/x
  3. Step 3: Cross multiply
    28,559,524.62x = 39,412,828.80 × 15,507,333.66
  4. Step 4: Simplify right side
    28,559,524.62x = 611,187,886,686,057.38
  5. Step 5: Solve for x
    x = 611,187,886,686,057.38/28,559,524.62
  6. Step 6: Final answer
    x = 21,400,492.30

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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.