Home / 15,558,279.36-21,472,589.52-8,683,204.24

Finding the Fourth Proportional to 15,558,279.36, 21,472,589.52 and 8,683,204.24

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Solution

The fourth proportional to 15,558,279.36, 21,472,589.52 and 8,683,204.24 is: 11,984,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558,279.36 : 21,472,589.52 = 8,683,204.24 : x
  2. Step 2: Convert to fraction form
    15,558,279.36/21,472,589.52 = 8,683,204.24/x
  3. Step 3: Cross multiply
    15,558,279.36x = 21,472,589.52 × 8,683,204.24
  4. Step 4: Simplify right side
    15,558,279.36x = 186,450,880,363,843.56
  5. Step 5: Solve for x
    x = 186,450,880,363,843.56/15,558,279.36
  6. Step 6: Final answer
    x = 11,984,029.60

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Double scale
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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.