Home / 12,725,905.50-17,561,601.95-6,924,587.31

Finding the Fourth Proportional to 12,725,905.50, 17,561,601.95 and 6,924,587.31

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Solution

The fourth proportional to 12,725,905.50, 17,561,601.95 and 6,924,587.31 is: 9,555,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725,905.50 : 17,561,601.95 = 6,924,587.31 : x
  2. Step 2: Convert to fraction form
    12,725,905.50/17,561,601.95 = 6,924,587.31/x
  3. Step 3: Cross multiply
    12,725,905.50x = 17,561,601.95 × 6,924,587.31
  4. Step 4: Simplify right side
    12,725,905.50x = 121,606,845,971,618.31
  5. Step 5: Solve for x
    x = 121,606,845,971,618.31/12,725,905.50
  6. Step 6: Final answer
    x = 9,555,850.15

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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.