Home / 14,012,171.40-21,016,288.80-4,428,518.70

Finding the Fourth Proportional to 14,012,171.40, 21,016,288.80 and 4,428,518.70

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Solution

The fourth proportional to 14,012,171.40, 21,016,288.80 and 4,428,518.70 is: 6,642,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,171.40 : 21,016,288.80 = 4,428,518.70 : x
  2. Step 2: Convert to fraction form
    14,012,171.40/21,016,288.80 = 4,428,518.70/x
  3. Step 3: Cross multiply
    14,012,171.40x = 21,016,288.80 × 4,428,518.70
  4. Step 4: Simplify right side
    14,012,171.40x = 93,071,027,955,400.56
  5. Step 5: Solve for x
    x = 93,071,027,955,400.56/14,012,171.40
  6. Step 6: Final answer
    x = 6,642,155.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.