Home / 19,928,030.70-29,892,046.05-6,464,858.70

Finding the Fourth Proportional to 19,928,030.70, 29,892,046.05 and 6,464,858.70

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Solution

The fourth proportional to 19,928,030.70, 29,892,046.05 and 6,464,858.70 is: 9,697,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,030.70 : 29,892,046.05 = 6,464,858.70 : x
  2. Step 2: Convert to fraction form
    19,928,030.70/29,892,046.05 = 6,464,858.70/x
  3. Step 3: Cross multiply
    19,928,030.70x = 29,892,046.05 × 6,464,858.70
  4. Step 4: Simplify right side
    19,928,030.70x = 193,247,853,967,143.16
  5. Step 5: Solve for x
    x = 193,247,853,967,143.16/19,928,030.70
  6. Step 6: Final answer
    x = 9,697,288.05

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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.