Home / 11,930,911.28-17,896,252.54-7,069,718.51

Finding the Fourth Proportional to 11,930,911.28, 17,896,252.54 and 7,069,718.51

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Solution

The fourth proportional to 11,930,911.28, 17,896,252.54 and 7,069,718.51 is: 10,604,509.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930,911.28 : 17,896,252.54 = 7,069,718.51 : x
  2. Step 2: Convert to fraction form
    11,930,911.28/17,896,252.54 = 7,069,718.51/x
  3. Step 3: Cross multiply
    11,930,911.28x = 17,896,252.54 × 7,069,718.51
  4. Step 4: Simplify right side
    11,930,911.28x = 126,521,467,806,323.92
  5. Step 5: Solve for x
    x = 126,521,467,806,323.92/11,930,911.28
  6. Step 6: Final answer
    x = 10,604,509.99

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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.