Home / 15,725,852.36-21,708,372.30-10,572,203

Finding the Fourth Proportional to 15,725,852.36, 21,708,372.30 and 10,572,203

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Solution

The fourth proportional to 15,725,852.36, 21,708,372.30 and 10,572,203 is: 14,594,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725,852.36 : 21,708,372.30 = 10,572,203 : x
  2. Step 2: Convert to fraction form
    15,725,852.36/21,708,372.30 = 10,572,203/x
  3. Step 3: Cross multiply
    15,725,852.36x = 21,708,372.30 × 10,572,203
  4. Step 4: Simplify right side
    15,725,852.36x = 229,505,318,755,176.91
  5. Step 5: Solve for x
    x = 229,505,318,755,176.91/15,725,852.36
  6. Step 6: Final answer
    x = 14,594,141.77

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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.