Home / 19,285,016.40-28,757,139.30-19,111,922.64

Finding the Fourth Proportional to 19,285,016.40, 28,757,139.30 and 19,111,922.64

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Solution

The fourth proportional to 19,285,016.40, 28,757,139.30 and 19,111,922.64 is: 28,499,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285,016.40 : 28,757,139.30 = 19,111,922.64 : x
  2. Step 2: Convert to fraction form
    19,285,016.40/28,757,139.30 = 19,111,922.64/x
  3. Step 3: Cross multiply
    19,285,016.40x = 28,757,139.30 × 19,111,922.64
  4. Step 4: Simplify right side
    19,285,016.40x = 549,604,221,649,303.81
  5. Step 5: Solve for x
    x = 549,604,221,649,303.81/19,285,016.40
  6. Step 6: Final answer
    x = 28,499,027.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.