Home / 15,421,895.02-21,284,559.92-9,842,548.82

Finding the Fourth Proportional to 15,421,895.02, 21,284,559.92 and 9,842,548.82

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Solution

The fourth proportional to 15,421,895.02, 21,284,559.92 and 9,842,548.82 is: 13,584,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421,895.02 : 21,284,559.92 = 9,842,548.82 : x
  2. Step 2: Convert to fraction form
    15,421,895.02/21,284,559.92 = 9,842,548.82/x
  3. Step 3: Cross multiply
    15,421,895.02x = 21,284,559.92 × 9,842,548.82
  4. Step 4: Simplify right side
    15,421,895.02x = 209,494,320,124,815.31
  5. Step 5: Solve for x
    x = 209,494,320,124,815.31/15,421,895.02
  6. Step 6: Final answer
    x = 13,584,213.86

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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.