Home / 18,878,774.40-26,054,708.64-11,540,903.40

Finding the Fourth Proportional to 18,878,774.40, 26,054,708.64 and 11,540,903.40

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Solution

The fourth proportional to 18,878,774.40, 26,054,708.64 and 11,540,903.40 is: 15,927,669.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878,774.40 : 26,054,708.64 = 11,540,903.40 : x
  2. Step 2: Convert to fraction form
    18,878,774.40/26,054,708.64 = 11,540,903.40/x
  3. Step 3: Cross multiply
    18,878,774.40x = 26,054,708.64 × 11,540,903.40
  4. Step 4: Simplify right side
    18,878,774.40x = 300,694,875,529,385.38
  5. Step 5: Solve for x
    x = 300,694,875,529,385.38/18,878,774.40
  6. Step 6: Final answer
    x = 15,927,669.31

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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.