Home / 12,931,461.69-19,397,192.54-5,741,305.53

Finding the Fourth Proportional to 12,931,461.69, 19,397,192.54 and 5,741,305.53

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Solution

The fourth proportional to 12,931,461.69, 19,397,192.54 and 5,741,305.53 is: 8,611,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,461.69 : 19,397,192.54 = 5,741,305.53 : x
  2. Step 2: Convert to fraction form
    12,931,461.69/19,397,192.54 = 5,741,305.53/x
  3. Step 3: Cross multiply
    12,931,461.69x = 19,397,192.54 × 5,741,305.53
  4. Step 4: Simplify right side
    12,931,461.69x = 111,365,208,796,376.75
  5. Step 5: Solve for x
    x = 111,365,208,796,376.75/12,931,461.69
  6. Step 6: Final answer
    x = 8,611,958.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.