Home / 14,223,021.40-19,627,821.24-7,696,650.12

Finding the Fourth Proportional to 14,223,021.40, 19,627,821.24 and 7,696,650.12

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Solution

The fourth proportional to 14,223,021.40, 19,627,821.24 and 7,696,650.12 is: 10,621,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223,021.40 : 19,627,821.24 = 7,696,650.12 : x
  2. Step 2: Convert to fraction form
    14,223,021.40/19,627,821.24 = 7,696,650.12/x
  3. Step 3: Cross multiply
    14,223,021.40x = 19,627,821.24 × 7,696,650.12
  4. Step 4: Simplify right side
    14,223,021.40x = 151,068,472,702,184.53
  5. Step 5: Solve for x
    x = 151,068,472,702,184.53/14,223,021.40
  6. Step 6: Final answer
    x = 10,621,405.15

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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.