Home / 15,223,725.92-21,009,030-8,347,797.92

Finding the Fourth Proportional to 15,223,725.92, 21,009,030 and 8,347,797.92

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Solution

The fourth proportional to 15,223,725.92, 21,009,030 and 8,347,797.92 is: 11,520,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223,725.92 : 21,009,030 = 8,347,797.92 : x
  2. Step 2: Convert to fraction form
    15,223,725.92/21,009,030 = 8,347,797.92/x
  3. Step 3: Cross multiply
    15,223,725.92x = 21,009,030 × 8,347,797.92
  4. Step 4: Simplify right side
    15,223,725.92x = 175,379,136,935,217.59
  5. Step 5: Solve for x
    x = 175,379,136,935,217.59/15,223,725.92
  6. Step 6: Final answer
    x = 11,520,119.18

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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.