Home / 19,008,740.70-28,506,112.65-6,229,662.30

Finding the Fourth Proportional to 19,008,740.70, 28,506,112.65 and 6,229,662.30

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Solution

The fourth proportional to 19,008,740.70, 28,506,112.65 and 6,229,662.30 is: 9,342,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,740.70 : 28,506,112.65 = 6,229,662.30 : x
  2. Step 2: Convert to fraction form
    19,008,740.70/28,506,112.65 = 6,229,662.30/x
  3. Step 3: Cross multiply
    19,008,740.70x = 28,506,112.65 × 6,229,662.30
  4. Step 4: Simplify right side
    19,008,740.70x = 177,583,455,295,258.09
  5. Step 5: Solve for x
    x = 177,583,455,295,258.09/19,008,740.70
  6. Step 6: Final answer
    x = 9,342,199.89

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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.