Home / 19,380,112.49-26,736,152.29-11,535,225.64

Finding the Fourth Proportional to 19,380,112.49, 26,736,152.29 and 11,535,225.64

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Solution

The fourth proportional to 19,380,112.49, 26,736,152.29 and 11,535,225.64 is: 15,913,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380,112.49 : 26,736,152.29 = 11,535,225.64 : x
  2. Step 2: Convert to fraction form
    19,380,112.49/26,736,152.29 = 11,535,225.64/x
  3. Step 3: Cross multiply
    19,380,112.49x = 26,736,152.29 × 11,535,225.64
  4. Step 4: Simplify right side
    19,380,112.49x = 308,407,549,314,874.25
  5. Step 5: Solve for x
    x = 308,407,549,314,874.25/19,380,112.49
  6. Step 6: Final answer
    x = 15,913,609.86

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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.