Home / 14,042,135.76-19,377,772.64-7,847,230.78

Finding the Fourth Proportional to 14,042,135.76, 19,377,772.64 and 7,847,230.78

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Solution

The fourth proportional to 14,042,135.76, 19,377,772.64 and 7,847,230.78 is: 10,828,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042,135.76 : 19,377,772.64 = 7,847,230.78 : x
  2. Step 2: Convert to fraction form
    14,042,135.76/19,377,772.64 = 7,847,230.78/x
  3. Step 3: Cross multiply
    14,042,135.76x = 19,377,772.64 × 7,847,230.78
  4. Step 4: Simplify right side
    14,042,135.76x = 152,061,853,908,449.88
  5. Step 5: Solve for x
    x = 152,061,853,908,449.88/14,042,135.76
  6. Step 6: Final answer
    x = 10,828,969.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.