Home / 13,903,042.74-20,839,965.69-4,677,812.70

Finding the Fourth Proportional to 13,903,042.74, 20,839,965.69 and 4,677,812.70

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Solution

The fourth proportional to 13,903,042.74, 20,839,965.69 and 4,677,812.70 is: 7,011,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903,042.74 : 20,839,965.69 = 4,677,812.70 : x
  2. Step 2: Convert to fraction form
    13,903,042.74/20,839,965.69 = 4,677,812.70/x
  3. Step 3: Cross multiply
    13,903,042.74x = 20,839,965.69 × 4,677,812.70
  4. Step 4: Simplify right side
    13,903,042.74x = 97,485,456,148,857.20
  5. Step 5: Solve for x
    x = 97,485,456,148,857.20/13,903,042.74
  6. Step 6: Final answer
    x = 7,011,807.27

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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.