Home / 14,106,866.86-19,467,689.57-7,913,286.50

Finding the Fourth Proportional to 14,106,866.86, 19,467,689.57 and 7,913,286.50

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Solution

The fourth proportional to 14,106,866.86, 19,467,689.57 and 7,913,286.50 is: 10,920,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106,866.86 : 19,467,689.57 = 7,913,286.50 : x
  2. Step 2: Convert to fraction form
    14,106,866.86/19,467,689.57 = 7,913,286.50/x
  3. Step 3: Cross multiply
    14,106,866.86x = 19,467,689.57 × 7,913,286.50
  4. Step 4: Simplify right side
    14,106,866.86x = 154,053,405,128,924.28
  5. Step 5: Solve for x
    x = 154,053,405,128,924.28/14,106,866.86
  6. Step 6: Final answer
    x = 10,920,455.03

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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.