Home / 15,788,702.72-21,788,936.88-9,675,950.24

Finding the Fourth Proportional to 15,788,702.72, 21,788,936.88 and 9,675,950.24

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Solution

The fourth proportional to 15,788,702.72, 21,788,936.88 and 9,675,950.24 is: 13,353,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788,702.72 : 21,788,936.88 = 9,675,950.24 : x
  2. Step 2: Convert to fraction form
    15,788,702.72/21,788,936.88 = 9,675,950.24/x
  3. Step 3: Cross multiply
    15,788,702.72x = 21,788,936.88 × 9,675,950.24
  4. Step 4: Simplify right side
    15,788,702.72x = 210,828,669,033,380.84
  5. Step 5: Solve for x
    x = 210,828,669,033,380.84/15,788,702.72
  6. Step 6: Final answer
    x = 13,353,134.38

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Double scale
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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.