Home / 12,762,690.32-17,619,012.60-9,855,554.96

Finding the Fourth Proportional to 12,762,690.32, 17,619,012.60 and 9,855,554.96

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Solution

The fourth proportional to 12,762,690.32, 17,619,012.60 and 9,855,554.96 is: 13,605,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762,690.32 : 17,619,012.60 = 9,855,554.96 : x
  2. Step 2: Convert to fraction form
    12,762,690.32/17,619,012.60 = 9,855,554.96/x
  3. Step 3: Cross multiply
    12,762,690.32x = 17,619,012.60 × 9,855,554.96
  4. Step 4: Simplify right side
    12,762,690.32x = 173,645,147,020,232.53
  5. Step 5: Solve for x
    x = 173,645,147,020,232.53/12,762,690.32
  6. Step 6: Final answer
    x = 13,605,685.22

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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.