Home / 12,322,557.45-16,999,471.75-7,973,061.57

Finding the Fourth Proportional to 12,322,557.45, 16,999,471.75 and 7,973,061.57

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Solution

The fourth proportional to 12,322,557.45, 16,999,471.75 and 7,973,061.57 is: 10,999,164.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322,557.45 : 16,999,471.75 = 7,973,061.57 : x
  2. Step 2: Convert to fraction form
    12,322,557.45/16,999,471.75 = 7,973,061.57/x
  3. Step 3: Cross multiply
    12,322,557.45x = 16,999,471.75 × 7,973,061.57
  4. Step 4: Simplify right side
    12,322,557.45x = 135,537,834,920,225.66
  5. Step 5: Solve for x
    x = 135,537,834,920,225.66/12,322,557.45
  6. Step 6: Final answer
    x = 10,999,164.38

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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.