Home / 14,251,101.40-19,665,993.06-7,724,590.74

Finding the Fourth Proportional to 14,251,101.40, 19,665,993.06 and 7,724,590.74

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Solution

The fourth proportional to 14,251,101.40, 19,665,993.06 and 7,724,590.74 is: 10,659,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251,101.40 : 19,665,993.06 = 7,724,590.74 : x
  2. Step 2: Convert to fraction form
    14,251,101.40/19,665,993.06 = 7,724,590.74/x
  3. Step 3: Cross multiply
    14,251,101.40x = 19,665,993.06 × 7,724,590.74
  4. Step 4: Simplify right side
    14,251,101.40x = 151,911,747,884,180.25
  5. Step 5: Solve for x
    x = 151,911,747,884,180.25/14,251,101.40
  6. Step 6: Final answer
    x = 10,659,649.64

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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.