Home / 12,839,492.51-17,716,608.28-7,807,675.23

Finding the Fourth Proportional to 12,839,492.51, 17,716,608.28 and 7,807,675.23

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Solution

The fourth proportional to 12,839,492.51, 17,716,608.28 and 7,807,675.23 is: 10,773,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839,492.51 : 17,716,608.28 = 7,807,675.23 : x
  2. Step 2: Convert to fraction form
    12,839,492.51/17,716,608.28 = 7,807,675.23/x
  3. Step 3: Cross multiply
    12,839,492.51x = 17,716,608.28 × 7,807,675.23
  4. Step 4: Simplify right side
    12,839,492.51x = 138,325,523,593,210.34
  5. Step 5: Solve for x
    x = 138,325,523,593,210.34/12,839,492.51
  6. Step 6: Final answer
    x = 10,773,441.67

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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.