Home / 19,947,013.76-29,920,528.83-4,800,945.26

Finding the Fourth Proportional to 19,947,013.76, 29,920,528.83 and 4,800,945.26

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Solution

The fourth proportional to 19,947,013.76, 29,920,528.83 and 4,800,945.26 is: 7,201,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947,013.76 : 29,920,528.83 = 4,800,945.26 : x
  2. Step 2: Convert to fraction form
    19,947,013.76/29,920,528.83 = 4,800,945.26/x
  3. Step 3: Cross multiply
    19,947,013.76x = 29,920,528.83 × 4,800,945.26
  4. Step 4: Simplify right side
    19,947,013.76x = 143,646,820,913,479.19
  5. Step 5: Solve for x
    x = 143,646,820,913,479.19/19,947,013.76
  6. Step 6: Final answer
    x = 7,201,419.86

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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.