Home / 15,812,130.87-21,812,302.17-9,619,071.75

Finding the Fourth Proportional to 15,812,130.87, 21,812,302.17 and 9,619,071.75

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Solution

The fourth proportional to 15,812,130.87, 21,812,302.17 and 9,619,071.75 is: 13,269,185.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812,130.87 : 21,812,302.17 = 9,619,071.75 : x
  2. Step 2: Convert to fraction form
    15,812,130.87/21,812,302.17 = 9,619,071.75/x
  3. Step 3: Cross multiply
    15,812,130.87x = 21,812,302.17 × 9,619,071.75
  4. Step 4: Simplify right side
    15,812,130.87x = 209,814,099,605,910.72
  5. Step 5: Solve for x
    x = 209,814,099,605,910.72/15,812,130.87
  6. Step 6: Final answer
    x = 13,269,185.62

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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.