Home / 15,725,854.36-21,708,375.06-10,572,205

Finding the Fourth Proportional to 15,725,854.36, 21,708,375.06 and 10,572,205

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Solution

The fourth proportional to 15,725,854.36, 21,708,375.06 and 10,572,205 is: 14,594,144.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725,854.36 : 21,708,375.06 = 10,572,205 : x
  2. Step 2: Convert to fraction form
    15,725,854.36/21,708,375.06 = 10,572,205/x
  3. Step 3: Cross multiply
    15,725,854.36x = 21,708,375.06 × 10,572,205
  4. Step 4: Simplify right side
    15,725,854.36x = 229,505,391,351,207.28
  5. Step 5: Solve for x
    x = 229,505,391,351,207.28/15,725,854.36
  6. Step 6: Final answer
    x = 14,594,144.53

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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.