Home / 19,239,260.78-26,550,609.66-10,979,158.64

Finding the Fourth Proportional to 19,239,260.78, 26,550,609.66 and 10,979,158.64

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Solution

The fourth proportional to 19,239,260.78, 26,550,609.66 and 10,979,158.64 is: 15,151,484.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239,260.78 : 26,550,609.66 = 10,979,158.64 : x
  2. Step 2: Convert to fraction form
    19,239,260.78/26,550,609.66 = 10,979,158.64/x
  3. Step 3: Cross multiply
    19,239,260.78x = 26,550,609.66 × 10,979,158.64
  4. Step 4: Simplify right side
    19,239,260.78x = 291,503,355,445,856.50
  5. Step 5: Solve for x
    x = 291,503,355,445,856.50/19,239,260.78
  6. Step 6: Final answer
    x = 15,151,484.19

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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.