Home / 28,446,549.93-39,256,239.05-15,393,808.98

Finding the Fourth Proportional to 28,446,549.93, 39,256,239.05 and 15,393,808.98

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Solution

The fourth proportional to 28,446,549.93, 39,256,239.05 and 15,393,808.98 is: 21,243,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,549.93 : 39,256,239.05 = 15,393,808.98 : x
  2. Step 2: Convert to fraction form
    28,446,549.93/39,256,239.05 = 15,393,808.98/x
  3. Step 3: Cross multiply
    28,446,549.93x = 39,256,239.05 × 15,393,808.98
  4. Step 4: Simplify right side
    28,446,549.93x = 604,303,045,131,947.62
  5. Step 5: Solve for x
    x = 604,303,045,131,947.62/28,446,549.93
  6. Step 6: Final answer
    x = 21,243,456.47

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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.