Home / 28,554,974.24-39,406,322.40-15,502,222.72

Finding the Fourth Proportional to 28,554,974.24, 39,406,322.40 and 15,502,222.72

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Solution

The fourth proportional to 28,554,974.24, 39,406,322.40 and 15,502,222.72 is: 21,393,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554,974.24 : 39,406,322.40 = 15,502,222.72 : x
  2. Step 2: Convert to fraction form
    28,554,974.24/39,406,322.40 = 15,502,222.72/x
  3. Step 3: Cross multiply
    28,554,974.24x = 39,406,322.40 × 15,502,222.72
  4. Step 4: Simplify right side
    28,554,974.24x = 610,885,586,420,924.88
  5. Step 5: Solve for x
    x = 610,885,586,420,924.88/28,554,974.24
  6. Step 6: Final answer
    x = 21,393,315.97

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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.