Home / 19,223,828.72-28,847,086.32-7,101,870.96

Finding the Fourth Proportional to 19,223,828.72, 28,847,086.32 and 7,101,870.96

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Solution

The fourth proportional to 19,223,828.72, 28,847,086.32 and 7,101,870.96 is: 10,656,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223,828.72 : 28,847,086.32 = 7,101,870.96 : x
  2. Step 2: Convert to fraction form
    19,223,828.72/28,847,086.32 = 7,101,870.96/x
  3. Step 3: Cross multiply
    19,223,828.72x = 28,847,086.32 × 7,101,870.96
  4. Step 4: Simplify right side
    19,223,828.72x = 204,868,284,616,621.28
  5. Step 5: Solve for x
    x = 204,868,284,616,621.28/19,223,828.72
  6. Step 6: Final answer
    x = 10,656,996.98

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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.