Home / 14,052,409.74-19,389,793.77-7,857,579.15

Finding the Fourth Proportional to 14,052,409.74, 19,389,793.77 and 7,857,579.15

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Solution

The fourth proportional to 14,052,409.74, 19,389,793.77 and 7,857,579.15 is: 10,842,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052,409.74 : 19,389,793.77 = 7,857,579.15 : x
  2. Step 2: Convert to fraction form
    14,052,409.74/19,389,793.77 = 7,857,579.15/x
  3. Step 3: Cross multiply
    14,052,409.74x = 19,389,793.77 × 7,857,579.15
  4. Step 4: Simplify right side
    14,052,409.74x = 152,356,839,249,951.91
  5. Step 5: Solve for x
    x = 152,356,839,249,951.91/14,052,409.74
  6. Step 6: Final answer
    x = 10,842,043.61

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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.