Home / 19,239,236.10-26,550,575.40-10,979,133.93

Finding the Fourth Proportional to 19,239,236.10, 26,550,575.40 and 10,979,133.93

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Solution

The fourth proportional to 19,239,236.10, 26,550,575.40 and 10,979,133.93 is: 15,151,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239,236.10 : 26,550,575.40 = 10,979,133.93 : x
  2. Step 2: Convert to fraction form
    19,239,236.10/26,550,575.40 = 10,979,133.93/x
  3. Step 3: Cross multiply
    19,239,236.10x = 26,550,575.40 × 10,979,133.93
  4. Step 4: Simplify right side
    19,239,236.10x = 291,502,323,235,163.31
  5. Step 5: Solve for x
    x = 291,502,323,235,163.31/19,239,236.10
  6. Step 6: Final answer
    x = 15,151,449.97

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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.