Home / 18,979,012.80-26,191,477.44-10,831,008.96

Finding the Fourth Proportional to 18,979,012.80, 26,191,477.44 and 10,831,008.96

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Solution

The fourth proportional to 18,979,012.80, 26,191,477.44 and 10,831,008.96 is: 14,947,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,012.80 : 26,191,477.44 = 10,831,008.96 : x
  2. Step 2: Convert to fraction form
    18,979,012.80/26,191,477.44 = 10,831,008.96/x
  3. Step 3: Cross multiply
    18,979,012.80x = 26,191,477.44 × 10,831,008.96
  4. Step 4: Simplify right side
    18,979,012.80x = 283,680,126,828,277.88
  5. Step 5: Solve for x
    x = 283,680,126,828,277.88/18,979,012.80
  6. Step 6: Final answer
    x = 14,947,043.34

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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.