Home / 13,725,598.68-18,943,596.90-7,615,995.48

Finding the Fourth Proportional to 13,725,598.68, 18,943,596.90 and 7,615,995.48

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Solution

The fourth proportional to 13,725,598.68, 18,943,596.90 and 7,615,995.48 is: 10,511,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725,598.68 : 18,943,596.90 = 7,615,995.48 : x
  2. Step 2: Convert to fraction form
    13,725,598.68/18,943,596.90 = 7,615,995.48/x
  3. Step 3: Cross multiply
    13,725,598.68x = 18,943,596.90 × 7,615,995.48
  4. Step 4: Simplify right side
    13,725,598.68x = 144,274,348,365,342
  5. Step 5: Solve for x
    x = 144,274,348,365,342/13,725,598.68
  6. Step 6: Final answer
    x = 10,511,333.73

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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.