Home / 14,385,164.40-19,851,916.32-8,587,311.03

Finding the Fourth Proportional to 14,385,164.40, 19,851,916.32 and 8,587,311.03

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Solution

The fourth proportional to 14,385,164.40, 19,851,916.32 and 8,587,311.03 is: 11,850,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385,164.40 : 19,851,916.32 = 8,587,311.03 : x
  2. Step 2: Convert to fraction form
    14,385,164.40/19,851,916.32 = 8,587,311.03/x
  3. Step 3: Cross multiply
    14,385,164.40x = 19,851,916.32 × 8,587,311.03
  4. Step 4: Simplify right side
    14,385,164.40x = 170,474,579,981,373
  5. Step 5: Solve for x
    x = 170,474,579,981,373/14,385,164.40
  6. Step 6: Final answer
    x = 11,850,721.70

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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.