Home / 14,046,457.87-21,055,320.27-7,117,100.78

Finding the Fourth Proportional to 14,046,457.87, 21,055,320.27 and 7,117,100.78

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Solution

The fourth proportional to 14,046,457.87, 21,055,320.27 and 7,117,100.78 is: 10,668,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046,457.87 : 21,055,320.27 = 7,117,100.78 : x
  2. Step 2: Convert to fraction form
    14,046,457.87/21,055,320.27 = 7,117,100.78/x
  3. Step 3: Cross multiply
    14,046,457.87x = 21,055,320.27 × 7,117,100.78
  4. Step 4: Simplify right side
    14,046,457.87x = 149,852,836,369,405.09
  5. Step 5: Solve for x
    x = 149,852,836,369,405.09/14,046,457.87
  6. Step 6: Final answer
    x = 10,668,371.90

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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.