Home / 20,046,019.88-27,663,710.34-10,878,741.80

Finding the Fourth Proportional to 20,046,019.88, 27,663,710.34 and 10,878,741.80

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Solution

The fourth proportional to 20,046,019.88, 27,663,710.34 and 10,878,741.80 is: 15,012,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046,019.88 : 27,663,710.34 = 10,878,741.80 : x
  2. Step 2: Convert to fraction form
    20,046,019.88/27,663,710.34 = 10,878,741.80/x
  3. Step 3: Cross multiply
    20,046,019.88x = 27,663,710.34 × 10,878,741.80
  4. Step 4: Simplify right side
    20,046,019.88x = 300,946,362,018,850.25
  5. Step 5: Solve for x
    x = 300,946,362,018,850.25/20,046,019.88
  6. Step 6: Final answer
    x = 15,012,773.80

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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.