Home / 19,001,538.37-26,151,437.10-15,667,161.31

Finding the Fourth Proportional to 19,001,538.37, 26,151,437.10 and 15,667,161.31

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Solution

The fourth proportional to 19,001,538.37, 26,151,437.10 and 15,667,161.31 is: 21,562,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001,538.37 : 26,151,437.10 = 15,667,161.31 : x
  2. Step 2: Convert to fraction form
    19,001,538.37/26,151,437.10 = 15,667,161.31/x
  3. Step 3: Cross multiply
    19,001,538.37x = 26,151,437.10 × 15,667,161.31
  4. Step 4: Simplify right side
    19,001,538.37x = 409,718,783,534,018.62
  5. Step 5: Solve for x
    x = 409,718,783,534,018.62/19,001,538.37
  6. Step 6: Final answer
    x = 21,562,400.66

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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.