Home / 14,215,674.27-19,617,632.73-7,689,300.87

Finding the Fourth Proportional to 14,215,674.27, 19,617,632.73 and 7,689,300.87

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Solution

The fourth proportional to 14,215,674.27, 19,617,632.73 and 7,689,300.87 is: 10,611,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215,674.27 : 19,617,632.73 = 7,689,300.87 : x
  2. Step 2: Convert to fraction form
    14,215,674.27/19,617,632.73 = 7,689,300.87/x
  3. Step 3: Cross multiply
    14,215,674.27x = 19,617,632.73 × 7,689,300.87
  4. Step 4: Simplify right side
    14,215,674.27x = 150,845,880,418,129.47
  5. Step 5: Solve for x
    x = 150,845,880,418,129.47/14,215,674.27
  6. Step 6: Final answer
    x = 10,611,236.41

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1.5x scale

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.