Home / 15,384,871.95-23,078,529.91-5,149,785.76

Finding the Fourth Proportional to 15,384,871.95, 23,078,529.91 and 5,149,785.76

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Solution

The fourth proportional to 15,384,871.95, 23,078,529.91 and 5,149,785.76 is: 7,725,087.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384,871.95 : 23,078,529.91 = 5,149,785.76 : x
  2. Step 2: Convert to fraction form
    15,384,871.95/23,078,529.91 = 5,149,785.76/x
  3. Step 3: Cross multiply
    15,384,871.95x = 23,078,529.91 × 5,149,785.76
  4. Step 4: Simplify right side
    15,384,871.95x = 118,849,484,727,537.48
  5. Step 5: Solve for x
    x = 118,849,484,727,537.48/15,384,871.95
  6. Step 6: Final answer
    x = 7,725,087.68

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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.